sec 2 θ = \(\frac{4}{3}\) అయితే, అప్పుడు cosec (θ + 30°) విలువ __________. [θ ఒక అల్ప కోణం.]

1
\(-\frac{2}{\sqrt3}\)
2
\(\frac{2}{\sqrt3}\)
3
\(\frac{1}{\sqrt3}\)
4
\(-\frac{1}{\sqrt3}\)

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