Penjumlahan dan Perkalian Trigonometri

 

Jumlah dan Selisih Sudut
No Rumus
1

\(\sin (A + B) = \sin A \cos B + \cos A \sin B \)

\(\sin (A - B) = \sin A \cos B - \cos A \sin B \)

2

\(\cos (A + B) = \cos A \cos B - \sin A \sin B \)

\(\cos (A - B) = \cos A \cos B + \sin A \sin B \)

3

\(\tan (A + B) = \dfrac{\tan A + \tan B}{1 - \tan A \tan B} \)

 

\(\tan (A - B) = \dfrac{\tan A - \tan B}{1 + \tan A \tan B} \)

 

SOAL LATIHAN

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