Buktikan identitas-identitas berikut. (1-sin a)/cos a=cos

Saluranedukasion 2024-04-06T19:52:00.000Z

Buktikan identitas-identitas berikut. (1-sin a)/cos a=cos a/(1+sin a)
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Buktikan identitas-identitas berikut. (1-sin a)/cos a=cos a/(1+sin a)