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posted by tanya Friday, May 3, 2013 at 11:58am.

show that sec theta(cosec theta) - cot theta = tan theta

secθ cscθ - cotθ secθ cscθ - cosθ cscθ (secθ-cosθ) cscθ (1-cos^2θ)/cosθ cscθ sin^2θ/cosθ cscθ sinθ/cosθ tanθ

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