Question 743475
verify the trig identity? 

(1+sinx)^2/cosx^2 = 1 + sinx/ 1-sinx
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(1+sinx)^2/(1 - sin^2) = 1 + sinx/ 1-sinx
(1+sinx)^2/((1 - sin)*(1 + sin)) = 1 + sinx/ 1-sinx
(1+sinx)^2/(1 + sin)) = 1 + sinx
1 + sin = 1 + sin
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