Buktikan identitas trigonometri berikut.(1-tan^2

Saluran Edukasion 2024-04-09T11:17:00

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