Buktikan kebenaran identitas berikut.(sin A-sin B)/(sin
Saluranedukasion 2024-03-11T10:34:08.000Z
Buktikan kebenaran identitas berikut.(sin A-sin B)/(sin A+sin B)=(tan 1/2 (A-B))/(tan 1/2 (A+B))
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