CUET Preparation Today
CUET
General Aptitude Test
Quantitative Reasoning
Trigonometry
If 8sin2θ + 4cos2θ= 7 , 0° < θ < 90°, then the value of sec2θ will be:
2
-1
0
4
θ = 60° satisfying the equation.
So, put θ = 60°
sec2θ = (2)2
= 4