Video solution will be uploaded soon.
If a is a positive integer, then the number of values satisfying \displaystyle ∫_0^π/2 \left[ a^2\left(\cos 3x/4+3/4\cos x\right)+a\sin x - 20\cos x \right] dx \le -\fraca^23 is | Watch the step-by-step video solution for this NIMCET PYQ.