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The goal of this problem is to evaluate cos(2x) cos(x) dx. First convert this to a new integral with cos(2x) cos(x) rewritten as the
The goal of this problem is to evaluate 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. cos(2x) cos(x) dx = S sin 3x 6 sin x + 2 dx = + C
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Advanced Engineering Mathematics
Authors: Dennis G. Zill
6th Edition
1284105903, 978-1284105902
