Integral of Cosine Squared | Find the Integral of cos^2(x) Using Power Reduction Formula

The integral of cosine squared is easy to do with these steps. Learn how to integrate cos^2 using the power reduction formula for cosine to get cosine to the first power. Evaluate the integral of an even power of cosine using the half angle identity for cos.

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⏰ *Time Stamps*
0:00 Replace Cos^2 with Power Reduction Formula
0:41 Simplify the Integral of cos^2
1:27 Evaluate the Integral
2:18 The answer for Integral of cos^2(3x)

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