4 cot A = 5 হলে, 6 sec A tan A এর মান কত?

1
\(\frac{20\sqrt{41}}{24}\)
2
\(\frac{25\sqrt{41}}{24}\)
3
\(\frac{3}{2}\sqrt{41}\)
4
\(\frac{24\sqrt{41}}{25}\)

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