જો tan A = \(\frac{2}{5}\) \(\frac{\sec ^2 A}{\operatorname{cosec}^2 A}\)ની કિંમત શોધો.

1
\(\frac {2}{5}\)
2
\(\frac {4}{25}\)
3
\(\frac {9}{25}\)
4
\(\frac {3}{5}\)

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