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CUET
General Test
Quantitative Reasoning
Trigonometry
If 8sin2θ + 4cos2θ= 3 , 0° < θ < 90°, then the value of sec2θ will be:
2
-1
0
4
θ = 30° satisfying the equation.
So, put θ = 60°
sec2θ = (2)2
= 4