Matematika

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Buktikan identitas trigonometri
Buktikan identitas trigonometri

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  • (2-sec^2 B)/sec^2 B

    (2- (1+ tan^2B))/ (1/cos^2B)

    (1- tan^2 B) x Cos^2B

    (1- sin^2B/cos^2B) x cos^2B

    1 - sin^2 B (terbukti)

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