Darryl S.

asked • 11/15/14

(1-cos2t)/sin^2t = 2cot^2t

could u prove this please
 

Dal J.

For these kinds of problems, to avoid confusing squares and 2t's, you really need to put all the parenthesis in exactly where they are in the problem.  Is this the problem ?
 
(1-cos(2t))/sin^2(t) = 2 cot^2(t)
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11/15/14

Darryl S.

Yes that is the problem
Sorry
 
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11/15/14

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