Solve for θ if 4cos2θ + 2sinθ – 4 = 0, where 0∘ ≤ θ ≤ 90�

1.	Solve for θ if 4cos2θ + 2sinθ – 4 = 0, where 0∘ ≤ θ ≤ 90∘.
Answer» Solve for $θ$ if $4 {cos}^{2} θ$ + 2 $sin θ$ – 4 = 0, where $0^{\circ}$ $\leq$ $θ$ $\leq$ $90^{\circ}$ .

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