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October 23, 2014

Homework Help: maths

Posted by rani on Thursday, July 1, 2010 at 3:30am.

if cot theta =7/8 , evaluate (1+sin^2theta)(1-sin^2theta)/(1+cost^2theta)(1+co-^2theta)

the answer should be 49/64 but i couldnt get that answer. can any one help?

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