If sin A = x - cos A and sec A = y - cosec A, then the value of y(x2 – McqOptions

MCQOPTIONS

1.	If sin A = x - cos A and sec A = y - cosec A, then the value of y(x2 - 1) is equal to:
A.	3x
B.	2x
C.	2xy
D.	0
Answer» C. 2xy

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