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Major/Math

사인법칙 (Law of sines), 코사인법칙 (Law of cosines)

by 우프 2023. 3. 13.
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1. Law of sines

asinα=bsinβ=csinγ

$ \frac{sin \alpha}{a} = \frac{sin \beta}{b}  = \frac{sin \gamma}{c} $

2. Law of consines

c2=a2+b22abcosγ

a2=b2+c22bccosα

b2=a2+c22accosβ

3. Law of tangents

aba+b=tan12(αβ)tan12(α+β)

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