Teaching NVS TGT 2024 Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

If 7 sin4θ + 9 cos4θ + 42 sin2θ = 16, 0 < θ < \(\frac{\pi}{2}\), then what is tan θ equal to ?

1
1
2
√2
3
√3
4
\(\frac{1}{\sqrt 3}\)
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