Buktikan identitas (sin x+sin y)/(cos x+cos y)=tan((x+y)/2)

Saluran Edukasion 2024-01-24T10:29:08

Buktikan identitas (sin x+sin y)/(cos x+cos y)=tan((x+y)/2)
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Buktikan identitas (sin x+sin y)/(cos x+cos y)=tan((x+y)/2)