Asked by vishal
Use the indicated substitution to evaluate the integral
integral 18sec(2x) tan(2x)dx, u=2x
integral 18sec(2x) tan(2x)dx, u=2x
Answers
Answered by
Steve
recall that integral secu tanu du = secu
Let u=2x and you have du=2dx, so
integral 9 secu tanu du = 9secu = 9sec2x
Let u=2x and you have du=2dx, so
integral 9 secu tanu du = 9secu = 9sec2x
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