prove that (cosecA-1/cosecA+1)=(cosA/1+sinA)^2?

show proof that cosecA-1/cosecA+1=(cosA/1+sinA)^2
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1 Answer

(cosecA-1)/(cosecA+1)=(1-sinA)/(1+sinA) (multiplying top and bottom by sinA).

Multiply top and bottom by (1+sinA): (1-sin^2(A))/(1+sinA)^2=(cosA/(1+sinA))^2. QED

by Top Rated User (1.2m points)

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