(secA - 1)/(secA + 1) is equal to? – McqOptions

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1.	(secA - 1)/(secA + 1) is equal to?
A.	(1 - sinA)/(1 + sinA)
B.	(1 + cosA)/(1 - cosA)
C.	(1 + sinA)/(1 - sinA)
D.	(1 - cosA)/(1 + cosA)
Answer» E.

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