sin 2A = 2 sin A cos A sin 3A = ? sin 1/2 A = ?
Matematika
DJalu2108
Pertanyaan
sin 2A = 2 sin A cos A
sin 3A = ?
sin 1/2 A = ?
sin 3A = ?
sin 1/2 A = ?
1 Jawaban
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1. Jawaban ACEls
sin 2A = 2sinAcosA
sin3A = 2sin(3/2)Acos(3/2)A
sin1/2A = 2sin(1/4)Acos(1/4)A