Trigonometric Equations

$2 n \pi \pm \frac{\pi}{4}+\frac{\pi}{12}$

$n \pi+(-1)^n \frac{\pi}{4}+\frac{\pi}{12}$

$2 n \pi \pm \frac{\pi}{4}-\frac{\pi}{12}$

$n \pi+(-1)^n \frac{\pi}{4}-\frac{\pi}{12}$