1.

1/cosA+sinA-1 + 1/cosA+sinA+1 = cosecA+secA

Answer» Given 1/(cosA+sinA-1)+1/(cosA+sinA+1)=cosecA+secA Read more on Sarthaks.com - https://www.sarthaks.com/31243/prove-that-1-cosa-sina-1-1-cosa-sina-1-coseca-seca


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