tanθ + 3cotθ = 2√3, 0° < θ < 90° అయితే, cosec2θ విలువ ఎంత?

1
\(\frac{2}{3}\)
2
\(\frac{7}{6}\)
3
\(\frac{4}{3}\)
4
\(\frac{1}{4}\)

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