Question

If
$tanA \: + \frac{1}{tanA} = 3$
Then,
${tanA}^{5} + \frac{1} {tanA^5} = ?$

Answer 1

$tanA \: + \frac{1}{tanA} = 3$


${tanA}^{5} + \frac{1} {tanA^5} = {3}^{5}$

${tanA}^{5} + \frac{1} {tanA^5} = 243$