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Asked by rajan

prove that :cosA-sinA+1/cosA+sinA-1=cosecA+cotA
12 years ago

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Answered by Steve
This is very cleverly solved at

http://answers.yahoo.com/question/index?qid=20100617064137AAccXtF

as a simple web search revealed.
12 years ago
Answered by Sandeep
1+cos/sin
8 years ago

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prove that sinA/(1+cosA) + (1+cosA)/(sinA) = 2cosecA Prove sinA/1+cosA =tan1/2A Sina+cosa=root over cosA 1-cosA+sinA DIVIDED BY 1+cosA+sinA Prove that [sinA/(1-cosA)-(1-cosA)/sinA]*[cosA/(1+sinA)+(1+sinA)/cosA]=4cosecA I the second part as... prove that cosA/1-sinA=2cosecA If a cosA - b sinA = c . Prove that a sinA + b cosA = _+√a^2 + b^2 - c^2 Prove SinA/1-CosA = CosecA + CotA If cosA + sinA= root2 cosA Show that cosA - sinA= root2 sinA
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