Evaluate the integral ? $int pi (cos (2pix))/(sin(2pix)) dx$

Question

2833 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-10-02T16:53:50

$int \ pi (cos (2pix))/(sin(2pix)) \ dx = 1/2 ln |sin2pix| + C$

$int \ pi (cos (2pix))/(sin(2pix)) \ dx = pi \ int \ cot (2pix) \ dx$
$" " = pi \ (ln |sin2pix|)/(2pi) + C$
$" " = 1/2 ln |sin2pix| + C$

Evaluate the integral ? int pi (cos (2pix))/(sin(2pix)) dx int pi (cos (2pix))/(sin(2pix)) dx