4 sin2θ = 3 (1 + cos θ), 0° < θ < 90° అయితే, \(\rm \sqrt{15}\tan \theta+\frac{4}{\sqrt{15}}\sin \theta+2\sec \theta\) విలువ ఎంత?

1
8
2
24
3
\(4\sqrt{15}\)
4
\(\frac{8}{\sqrt{15}}\)

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