SOLUTION: show that sin x/ 1-cosx = 1+ cosx/sinx for every number that is not an integer multiple of pi

Question 1148917: show that sin x/ 1-cosx = 1+ cosx/sinx for every number that is not an integer multiple of pi

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
cross multiply the two and it is sin^2 x=(1+cos x)(1- cos x)=1- cos^2x
This is an identity. Sin^2 x+cos^2 x=1
at 0 or pi, the identify is undefined in the given equation.
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