differentiate f(x) =tan-1(sinx) and f(x) =cos-1(1-x^s)/(1+x^2), stating domain. thankyou for any help given =)

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Originally Posted by iiharthero differentiate f(x) =tan-1(sinx) and f(x) =cos-1(1-x^s)/(1+x^2), stating domain. thankyou for any help given =) Using the chain rule and the rule for the derivative of inverse functions:

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