Sin(35°)×COS (25°)+COS (35°)×Sin(25°)
Matematika
hasanarrifin17
Pertanyaan
Sin(35°)×COS (25°)+COS (35°)×Sin(25°)
1 Jawaban
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1. Jawaban Anonyme
jawab
sin (A +B ) = sin A cos B + cos A sin B
sin 35 cos 25 + cos 35 sin 25 = sin (35+25)
= sin 60
= 1/2 √3