1.The complete solution set of the inequality cos−1(cos4)>3x2−4x\cos^{-1}(\cos 4) > 3x^2 - 4xcos−1(cos4)>3x2−4x isa.(0,2+6π−83)\left(0, \frac{2+\sqrt{6\pi-8}}{3}\right)(0,32+6π−8)b.(2−6π−83,0)\left(\frac{2-\sqrt{6\pi-8}}{3}, 0\right)(32−6π−8,0)c.(−2,2)(-2, 2)(−2,2)d.(2−6π−83,2+6π−83)\left(\frac{2-\sqrt{6\pi-8}}{3}, \frac{2+\sqrt{6\pi-8}}{3}\right)(32−6π−8,32+6π−8)Login to continueOnly logged in users canattempt or see the solution.
