Buktikan identitas berikut: (cos^2 x-sin^2 x)^2/(cos^4
Saluran Edukasion 2024-06-11T01:54:08
Buktikan identitas berikut: (cos^2 x-sin^2 x)^2/(cos^4 x-sin^4 x)=1-2 sin^2 x
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Buktikan identitas berikut: (cos^2 x-sin^2 x)^2/(cos^4 x-sin^4 x)=1-2 sin^2 x