1.The value of cos−1(cos(7π/6))\cos^{-1} (\cos (7\pi/6))cos−1(cos(7π/6)) isa.5π6\frac{5\pi}{6}65πb.π3\frac{\pi}{3}3πc.7π6\frac{7\pi}{6}67πd.π6\frac{\pi}{6}6πLogin to continueOnly logged in users canattempt or see the solution.
