Precalculus
Improve your experience by picking them
Evaluate the expression.
tan−1(−33)\tan^{-1}\left(-\frac{\sqrt3}{3}\right)tan−1(−33)
π6\frac{\pi}{6}6π
π3\frac{\pi}{3}3π
−π6-\frac{\pi}{6}−6π
−π3-\frac{\pi}{3}−3π