Buktikan identitas berikut. (sin theta-sin phi)/(cos

Saluran Edukasion 2024-05-01T20:26:43

Buktikan identitas berikut. (sin theta-sin phi)/(cos theta+cos phi)=tan((theta-phi)/2)
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Buktikan identitas berikut. (sin theta-sin phi)/(cos theta+cos phi)=tan((theta-phi)/2)