If x = a (sinθ + cosθ) and y = b (sinθ - cosθ) then (x2/ a2) + (y2 – McqOptions

MCQOPTIONS

1.	If x = a (sinθ + cosθ) and y = b (sinθ - cosθ) then (x2/ a2) + (y2/b2) = ?
A.	3
B.	1
C.	4
D.	2
Answer» E.

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