If cos θ±/cos θ² = a, sin θ±/ sin θ² = b, then sin² θ² is e – McqOptions

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1.	If cos θ±/cos θ² = a, sin θ±/ sin θ² = b, then sin² θ² is equal to :
A.	a²-1/a²+b²
B.	a²+1/a²-b²
C.	a²-1/a²-b²
D.	a²+1/a²+b²
Answer» D. a²+1/a²+b²

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