Make the given substitution to evaluate the indefinite integral.\\ $\int 14\csc^2(7x)\cot(7x)dx$, a. $u = \cot(7x)$, b. $u = \csc(7x)$\\ a. Using $u = \cot(7x)$, $\int 14\csc^2(7x)\cot(7x)dx = -\cot^2(7x) + c$\\ b. Using $u = \csc(7x)$, $\int 14\csc^2(7x)\cot(7x)dx = $
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We have du = -csc^2(7x)dx. Show more…
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