If g(x)=sin(cos(x^2)), find the equation of the tangent line at the point where x=(squareroot)(Pie/2). Use this linerariztion to approximate g(5/4). I'm lost with this problem. I new to this sorry if it hard to read. Thanks

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use the chain rule and set to . ' derivatives:

Last edited by integral; Jan 2nd 2010 at 11:41 AM.

Originally Posted by integral use the chain rule and set to . ' edit: The chain rule is: if then No, that is NOT the chain rule, that is the quotient rule. The chain rule says that the derivative of f(g(x)) is derivatives:

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