If 7 sin2θ + 3 cos2θ = 4 and 0 ≤ θ ≤ (π / 2), then the value of tan θ is:

If 7 sin2θ + 3 cos2θ = 4 and 0 ≤ θ ≤ (π / 2), then the value o

1.	If 7 sin2θ + 3 cos2θ = 4 and 0 ≤ θ ≤ (π / 2), then the value of tan θ is:
A.	√(3 / 7)
B.	√(2 / 7)
C.	1 / √3
D.	1 / √7
Answer» D. 1 / √7