1.tan−1(tan5π/6)+cos−1(cos13π/6)=\tan^{-1} (\tan 5\pi/6) + \cos^{-1} (\cos 13\pi/6) =tan−1(tan5π/6)+cos−1(cos13π/6)=a.000b.3π3\pi3πc.−π/6-\pi/6−π/6d.π/6\pi/6π/6Login to continueOnly logged in users canattempt or see the solution.
