prove that
Submitted by alpha on Mon, 04/21/2008 - 04:40.
(cosec theta - cot theta)^2=(1-cos theta)/(1+cos theta)
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prove that
Submitted by alpha on Mon, 04/21/2008 - 04:40.
(cosec theta - cot theta)^2=(1-cos theta)/(1+cos theta) |