Question: Let f ( x ) = l n ( c o s x ) . Use your calculator to approximate the instantaneous rate of change

Let f(x)=ln(cosx). Use your calculator to approximate the instantaneous rate of change of f at the point x=1. Do the same thing for x=53.(Note: Be sure that your calculator is set in radians.)
Round your answers to three decimal places.
f'(1)~~.
f'(53)~~
Let f ( x ) = l n ( c o s x ) . Use your

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