Jika cos (A-B) =cos A.cos B + sin A.sin B hitunglah:
Saluranedukasion 2024-06-29T16:09:39.000Z
Jika cos (A-B) =cos A.cos B + sin A.sin B hitunglah: cos(sin^-1 (1/4)-sin^-1 (1/3))
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