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  1. Examine the following integrals. Consider the multiple tools available for evaluating integrals and use the best strategy for each. After evaluating the integral, write a short description of your method. Homework Help ✎

To make this problem quicker to solve, remember that
y = cosx is an even function.

Notice that this is an indefinite integral. Don't forget the +C.

2.7183 ≈ e (Euler's number) and the derivative of ln(x) is x−1.

Think! Trig identity. Simplify the integrand before you integrate.