1.If 2<a<32 < a < 32<a<3, then the value of cos−1(cos[a])+csc−1(csc[a])+cot−1(cot[a])\cos^{-1}(\cos[a]) + \csc^{-1}(\csc[a]) + \cot^{-1}(\cot[a])cos−1(cos[a])+csc−1(csc[a])+cot−1(cot[a]), where [⋅][\cdot][⋅] denotes greatest integer less than or equal to xxx, is equal toa.2−π2 - \pi2−πb.2+π2 + \pi2+πc.π\piπd.666Login to continueOnly logged in users canattempt or see the solution.
