1+cosa+sina/1+cosa-sina=1+sina/cosa
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Answer:
(sinA + 1 - cosA) / (cosA - 1 + sinA)
Divide each term by cosA
=(tanA + secA - 1) / (1 - secA + tanA)
=[tanA + secA - ( sec2A−tan2A)] /
( 1 - secA + tanA)
= (tanA+secA)( 1 - secA + tanA )/(1 - secA + tanA)
= tanA + secA
= (sinA / cosA )+ 1 / cosA
= (sinA + 1 )/ cosA
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