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Find three integrals in Exercises 21–66 that can be solved by the application of double-angle formulas.

Short Answer

Expert verified

tan2xdxsec4xdxsec32xdx

Step by step solution

01

Step 1. Given information

Double-angle formulas are to be used.

02

Step 2. Explanation

Double angle formulas are as follows:

sin2x=2sinxcosxcos2x=2cos2x-1tan2x=2tanx1-tan2x

Following integrals can be solved by the application of double-angle formulas:

tan2xdxsec4xdxsec32xdx

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