Trigonometric Equations

$x=(2 n+1) \pi+\tan ^{-1}\left(\frac{3}{4}\right), n \in Z$

$x=2 n \pi+\tan ^{-1}\left(\frac{3}{4}\right), n \in Z$

$x=n \pi+\tan ^{-1}\left(\frac{3}{4}\right), n \in Z$

$x=n \pi \pm \tan ^{-1}\left(\frac{3}{4}\right), n \in Z$