Question

find x
$3 \cot( \frac{x}{3} ) = 1$​

Answer 1

Answer:

$3 \cot( \frac{x}{3} ) = 1 \\ \\ \cot( \frac{x}{3} ) = \frac{1}{3} \\ \\ \frac{x}{3} = {cot}^{ - 1} ( \frac{1}{3} ) \\ \\ x = 3 \: {cot}^{ - 1} ( \frac{1}{3} )$