Buktikan identitas berikut ini.(1-tan^2 theta)/(1+tan^2

Saluran Edukasion 2024-04-14T20:56:43

Buktikan identitas berikut ini.(1-tan^2 theta)/(1+tan^2 theta)=cos^2 theta-sin^2 theta
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Buktikan identitas berikut ini.(1-tan^2 theta)/(1+tan^2 theta)=cos^2 theta-sin^2 theta