Buktikan bahwa sin^4 x-cos^4 x=2 sin ^2 x-1 .
Saluranedukasion 2024-05-22T19:24:08.000Z
Buktikan bahwa sin^4 x-cos^4 x=2 sin ^2 x-1 .
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Buktikan bahwa sin^4 x-cos^4 x=2 sin ^2 x-1 .