Question

Can any kind soul help me please​

Answer 1

Cot is an inverse of tan:

`{ \tt{4 \cot( \theta) = \tan( \theta) }} \\ { \tt{ (4)/( \tan( \theta) ) = \tan( \theta) }} \\ \\ { \tt{4 = { \tan }^(2) \theta }} \\ { \tt{ \tan \theta = ±2}} \\ { \bf{\theta =±63.4 \degree }}`