If A=sin^(-1) x, where x>0 a. show that cos A=akar(1-x^2),

Saluran Edukasion 2024-05-09T13:41:43

If A=sin^(-1) x, where x>0 a. show that cos A=akar(1-x^2), b. find expressions interm of x in the interval cosec A and cos 2A.
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