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Home > CALC > Chapter 7 > Lesson 7.4.4 > Problem 7-207


Use integration by parts and substitution.

There is a vertical asymptote at x = 0, so this improper integral needs to be rewritten in proper form (as a limit).

In fact, write a sum of two proper integrals.

Use u-substitution. sec2xtanx = (secx)(secx)(tanx)