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posted by Ama Tuesday, November 13, 2012 at 7:39am.
Verify the identity. csc t − sin t/csc t= cos2 t
You are missing a parenthesis !!! I assume that you mean: (csc t - sin t)/csc t (1/sin t - sin t) /(1/sin t) (1 - sin^2 t) / 1 cos^2 t
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