## anonymous 5 years ago Use substitution to evaluate the integral. Integral (rad(cotx)csc^2)dx

use u substitution $u=\cot x$ $-du=\csc ^{2}xdx$ $-\int\limits_{}^{}u ^{1/2}du$ $-2/3u ^{3/2}+c$ $-2/3\left( \cot x \right)^{3/2}+c$