Find the integer $n,$ $-90 < n < 90,$ such that $\tan n^\circ = \tan 1000^\circ.$
1000 mod360 = 288
288 degrees is in the 4th quadrant
288-360 = -72
it is in the 4th quad so where tan is negative ( not that that matters)
tan(1000) = tan(-72)
n=-72
+289 
