JEE Main 20241 Feb, Evening shiftMathematicsMediumTrigonometry118× since 2002The number of solutions of the equation 4sin2x−4cos3x+9−4cosx=0;x∈[−2π,2π]4 \sin ^2 x-4 \cos ^3 x+9-4 \cos x=0 ; x \in[-2 \pi, 2 \pi]4sin2x−4cos3x+9−4cosx=0;x∈[−2π,2π] is :AOption A. 0BOption B. 3COption C. 1DOption D. 2CheckSkip · show solution
