Buktikan identitas trigonometri berikut: cos^2 x-sin^2
Saluranedukasion 2024-01-20T18:22:00.000Z
Buktikan identitas trigonometri berikut: cos^2 x-sin^2 x=1-2 sin^2 x
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Buktikan identitas trigonometri berikut: cos^2 x-sin^2 x=1-2 sin^2 x