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AÇISAL FONKSiYONUN ÜÇGENLERDEKi HESABI
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BiR AÇIDA FONKSiYONLARIN KARŞILIKLI DURUMU
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PİSAGOR’A GÖRE
sin2 + cos2 = 1
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Karşı Kenar
Tan α = -------------------
Yan dik kenar
sin α
tan α = ------------
cos α
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Yan dik kenar
cota = -----------------
Karşı dik kenar
cos α
cot α= ----------
sin α
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tan α . cot α = 1
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sin(α±β) =sin α . cos β ± cos α . sin β cos(α±β) = cos α . cos β m sin α . sin β
tan α ± tan β cot α . cot β ± 1
tan (α±β) = ------------------- cot (α±β) = -----------------------
1 m tan α . tan β cot α ± cot β
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2 . tanα
tan2α= 2 . sinα . cosα tan2α= ------------------
1−tan2 α
cot2 α−1
cos2α=cos2 α−sin2 α cos2α= -----------------
2 . cot α
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1
sinα= √ ----- (1−cos 2α ) cosα±sinα= √ 1±sin2α
2
1 1−cos 2α
cosα= √ ------- (1+cos2α ) tanα= √ -----------------
2 1+cos 2α
3
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ÖNEMLİ AÇISAL FONKSİYONLAR
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0°
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30°
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45°
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60°
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90°
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0°
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30°
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45°
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60°
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90°
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sin
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0
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1/2 =0,5
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1/2 √2 =0,707
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1/2√3 =0,866
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1
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tan
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0
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1/3√3 =0,577
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1
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√3 =1,732
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∞
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cos
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1
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1/2√ 3 =0,866
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1/ 2√ 2 =0,707
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1/2 =0,5
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0
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cot
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∞
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√3 =1,732
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1
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1/3 √3 =0,577
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0
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GENİŞ AÇILI ÜÇGENLERDE AÇISAL FONKSİYONLAR
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SİNÜS DEĞERİ
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KOSİNÜS DEĞERİ
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a : b : c = sin α : sin β: sin γ
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a2= b2+ c2 — 2bc . cosα
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a sinα = b sinβ = c sinγ
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b2= a2+ c2 — 2ac . cosβ
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c2= a2 + b2— 2ab . cosγ
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SİNÜS VE KOSİNÜSÜN KULLANIMI
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KENAR HESABI
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AÇI HESABI
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YÜZEY HESABI
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a = b . sinα sinβ = c . sinα sinγ
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sinα= a . sinβ b = a . sin γ c
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cosα=b2 +c2 −a2 2bc
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A = a . b . sinγ 2
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b = a . sinβ sinα = c . sinβ sinγ
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sinβ=b . sinα a = b . sin γ c
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cosβ= a2 +c2 +b2 2ac
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A = b . c . sinα 2
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c = a . sinα sinα = b . sinγ sinβ
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sinγ=c . sinα a = c . sinβ b
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cos γ=a2 +b2 −c2 2ab
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A = a . c . sinβ 2
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AÇISINA GÖRE KENAR FONKSİYONLARI HESABI cosβ= b c . cosβ= a c . tanβ= b a . cotβ= a b
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a =c.sinα =b . tanα = b cotα
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b =c.sinα = a tanα =a . cotα
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c = a sinα = b cosα
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a =c . cosβ = b tanβ =b . cotβ
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b =c . sinβ =a . tanβ = a cotα
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c = b sinβ = a cosβ
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TRİGONOMETRİ
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Karşı Kenar a
Sin α = ---------------------- = ------ Hipotenüs c
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Karşı Dik Kenar a
Tg α = ------------------------ = -------
Yan Dik Kenar b
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kenar Kenar b
Cos α= ---------------------- = ------
Hipotenüs c
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Yan dik kenar b
Cotg α = --------------------- = -------
Karşı Dik Kenar a
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AÇILARIN TRİGONOMETRİK FONKSİYONLARI
DERECE
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0
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30°
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45°
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60°
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90°
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180°
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270°
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360°
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Sin
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0
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0,5
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0,707
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0,866
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1
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0
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—1
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0
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Cos
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1
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0,866
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0,707
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0,5
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0
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—1
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0
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1
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tg
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0
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0,577
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1
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1,732
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∞
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0
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∞
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0
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Cotg
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∞
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1,732
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1
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0,577
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0
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∞
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0
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∞
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YUNAN (GREEK) ALFABESİ
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alfa
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A
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α
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A
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α
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nu
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N
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γ
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N
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γ
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beta
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B
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β
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B
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β
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ksi
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E
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ε
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E
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ε
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gama
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r
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γ
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r
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γ
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omikron
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O
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ο
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O
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ο
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delta
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Δ
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δ
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Δ
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δ
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pi
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π
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πϖ
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π
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πϖ
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epsilon
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E
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ε, ε
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E
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ε, ε
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ro
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P
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ρ
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P
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ρ
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zeta
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Z
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ζ
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Z
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ζ
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sigma
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Σ
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σ
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Σ
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σ
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eta
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H
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η
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H
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η
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tau
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T
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τ
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T
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τ
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teta
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θ
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ν,θ
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θ
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ν,θ
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upsilon
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ϒ
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ν
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ϒ
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ν
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ita
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l
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ι
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l
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ι
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fi
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Φ
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Φ, Φ
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Φ
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Φ, Φ
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kaba
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K
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χ, κ
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K
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χ, κ
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ki
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X
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χ
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X
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χ
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lamda
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λ
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λ
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λ
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λ
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psi
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Ψ
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Ψ
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Ψ
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Ψ
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znu
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M
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µ
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M
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µ
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omega
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Ω
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ω
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Ω
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ω
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(n) DEĞERİNİN ÜST KATLARI (n) DEĞERİNİN ALT KATLARI
Exa
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(E)
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=
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1018
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=
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1.000.000.000.000.000.000
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Peta
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(P)
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=
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1015
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=
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1.000.000.000.000.000
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Tera
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(T)
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=
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1012
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=
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1.000.000.000.000
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Giga
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(G)
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=
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109
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=
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1.000.000.000
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Mega
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(M)
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=
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106
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=
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1.000.000
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Kilo
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(K)
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=
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103
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=
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1.000
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Hekto
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(h)
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=
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102
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=
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100
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Deka
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(D)
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=
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101
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=
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10
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Dezi
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(d) =
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10—1
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=
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0,1
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Zenti
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(c) =
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10—2
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=
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0,01
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Mili
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(m) =
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10—3
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=
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0,001
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Mikro
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(Μ)=
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10—6
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=
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0,000.001
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Nano
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(n) =
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10—9
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=
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0,000.000.001
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Pico
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(p) =
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10—12
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=
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0,000.000.000.001
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Femto
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(f) =
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10—15
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=
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0.000.000.000.000.001
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Atto
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(a) =
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10—18
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=
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0.000.000.000.000.000.001
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