Buktikan identitas-identitas trigonometri berikut.a. 3

Saluranedukasion 2024-05-23T11:12:00.000Z

Buktikan identitas-identitas trigonometri berikut.a. 3 cos^2 a - 2 = 1-3 sin^2 a b. 3+5 sin^2 a = 8-5 cos^2 a
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