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Senin, 03 Maret 2014

Diingat yah teman :)

Diingat yah teman teman :)

ATURAN SINUS :
{\sin A \over a}={\sin B \over b}={\sin C \over c}.\, 
 ATURAN COSINUS :

a^2 = b^2 + c^2 - 2bc \cos \alpha\,
b^2 = a^2 + c^2 - 2ac \cos \beta\,
c^2 = a^2 + b^2 - 2ab \cos \gamma\,

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