Question

Solve the given equation over the interval [0, 2π): cot^2 x − cot x.

Answer 1

$45^o, 90^o, 225^o, 270^o$
$\frac{ \pi }{4} , \frac{ \pi }{2} , \frac{5 \pi }{4} , \frac{3 \pi }{2}$