The goal of this problem is to evaluate J cos 2x cos x dx

Last updated: 9/13/2023

The goal of this problem is to evaluate J cos 2x cos x dx First convert this to a new integral with cos 2x cos x rewritten as the sum of two trig functions rather than the product of two trig functions then integrate this new integral J cos 2x cos x dx C dx SO sin 3x 6 sin x 2