Find the derivative of the function f x sin 7x Step 1 We recall that the derivative of the function y sin x is given by the

Question

Find the derivative of the function f x sin 7x Step 1 We recall that the derivative of the function y sin x is given by the following 1 1 x dx We note that for the given function f x sin 7x we will need to combine the formula above with the chain rule as follows where u 7x sin u sin dx U 7x 11 sin x du du 1 0 So our first step is to determine du 1 u dx du dx

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