Question

How do you solve `cscx - 2cotx=0`?

Answer 1

Solve: csc x - 2cot x = 0

Ans:`+- (2pi)/3`

Explanation:

`1/sin x - (2cos x)/sin x = (1 - 2cos x)/sin x = 0`

`1 - 2cos x = 0` (condition, sin x different to zero)

`cos x = 1/2` . Trig table --> `x = +- (2pi)/3`