Find the values of other 5 trigonometric functions of sinx=3/5 ,x lies

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Find the values of other 5 trigonometric functions of sinx=3/5 ,x lies in 2nd quadrant

rockey

Sept. 23, 2025, 7:23 p.m.

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rockey

Sept. 23, 2025, 7:24 p.m.

Prove that sinx+sin3x+sin5x+sin7x=4cosx cos2x sin4x.

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