y= tan^(-1)[x^2-1]^(1/2) + csc^(-1)x(adsbygoogle = window.adsbygoogle || []).push({});

i cannot get to the answer, can someone help me?

well the answer should be zero. when i take the derivative of both parts (one of the tan inverse and one of the csc inverse) i dont get anywhere close to 0...

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# Derivative of inverse trif function

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