Buktikan identitas trigonometri berikut! sin (x+y)-sin
Saluranedukasion 2024-07-09T21:04:08.000Z
Buktikan identitas trigonometri berikut! sin (x+y)-sin (x-y)=2 cos x sin y
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Buktikan identitas trigonometri berikut! sin (x+y)-sin (x-y)=2 cos x sin y