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Simplify csc^2x-1/csc^2x

I need it work out the identities and simplify. 

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Philip P. | Effective and Affordable Math TutorEffective and Affordable Math Tutor
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(csc2(x)-1)/csc2(x)
 
Identity:  csc(x) = 1/sin(x)
 
1/sin2(x) - 1      
---------------  =  1 - sin2(x) = cos2(x)                [Identity: sin2(x)+cos2(x)=1]
  1/sin2(x)