tan θ = \(\frac{8}{15}\) అయితే, \(\frac{\sqrt{1-sin θ}}{\sqrt{1+sin θ}}\) విలువ ఎంత?

1
\(\frac{3}{5}\)
2
\(\frac{3}{4}\)
3
\(\frac{5}{7}\)
4
\(\frac{3}{7}\)

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