Buktikan identitas berikut. 2 cos (theta+pi/4) . cos (3/4

Saluran Edukasion 2023-12-06T07:02:00

Buktikan identitas berikut. 2 cos (theta+pi/4) . cos (3/4 pi-theta)+1=sin 2 theta
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Buktikan identitas berikut. 2 cos (theta+pi/4) . cos (3/4 pi-theta)+1=sin 2 theta