If 5sin2θ + 4cos2θ = 9/2 and 0 < θ < π/2, then cot θ is equal to?

If 5sin²θ + 4cos²θ = 9/2 and 0 < θ < π/2, then cot θ is equal to?
1). 1
2). 0
3). ­-1
4). ¼

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Other Questions

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