Question

solve cosx cot x over 1 - sinx = 3

Answer 1

cos^2x=3sin x -3 sin^2x
by solving we get 
2sin^2 x +1=3 sin x
substiute A for sin x
2a^2+1= 3a so 
a=1 so sinx= 1
x=pi/2, 5pi/2, 9pi/2 etc