Buktikan (2-sec^2 B)/sec^2 B=1-2sin^2 B
Saluranedukasion 2024-05-30T19:54:08.000Z
Buktikan (2-sec^2 B)/sec^2 B=1-2sin^2 B
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Buktikan (2-sec^2 B)/sec^2 B=1-2sin^2 B