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17-05-2023
Mathematics

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Please help. Prove the following identity: sin [ (90° +x). sin³ (x-180°) -cos (180°+x)/ cosx] -2 sin² 0 = cos 2xcos

Determine the general solution of 6 sinx+7cosx-3=0

Please help Prove the following identity sin 90 x sin x180 cos 180x cosx 2 sin 0 cos 2xcos Determine the general solution of 6 sinx7cosx30 class=

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