Keep all answers exact where possible, otherwise round to two decimal places.
We know that csc^2(x)=1+cot^2(x)
So,. csc^2(x)+cot(x) -1 =0
1+cot^2(x)+cot(x)-1=0
Or cot^2(x)+cot(x)=0
cot(x)[cot(x)+1]=0
If. cot(x)=0. X=pi/2 ,3pi/2
and if. cot(x)+1=0
Cot(x)=-1. X=3pi/4 ,7pi/4
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