Question

solve equation cot^2x+3cosec=0

Answer 1

As we know
Cot^2x=Cosec^2x-1
Substitute this ,
We get the equation like , 
Cosec^2x-3,Cosec x + 2 =0 
Then,
Cosex x = 1,2 
Therefore , x= (4n+1)Pi/2 or x=(3n+1)Pi/6 , 
where n is a integral number .