The solution set of the inequality `4(cos^(-1)x)^2-1geq0` is `[-1,cos1/2]` (b) `[0,pi/3]` `(cos1/2,1]` (d) `[pi/3,(2pi)/3]`

The solution set of the inequality 4(cos^(-1)x)^2-1geq0 is (a) [-1,cos1/2] (b) [0,pi/3] (c) (cos1/2,1] (d) [pi/3,(2pi)/3]

The solution set of the inequality 4(cos^(-1)x)^(2)-1>=0 is [-1,(cos1)/(2)] (b) [0,(pi)/(3)]((cos1)/(2),1] (d) [(pi)/(3),(2 pi)/(3)]

The solution set of the inequality 4(cos^(-1)x)^(2)-1>=0 is a.[-1,(cos1)/(2)]b0,(pi)/(3)c*[(cos1)/(2),1] d.[(pi)/(3),(2 pi)/(3)]

The solution set of inequation cos x+(1)/(2)>=0 is [-pi,pi] is

The number of solutions of the equation |2 sin x-sqrt(3)|^(2 cos^(2) x-3 cos x+1)=1 in [0, pi] is

The number of solutions of the equation |2 sin x-sqrt(3)|^(2 cos^(2) x-3 cos x+1)=1 in [0, pi] is

The number of solutions of the equation |2 sin x-sqrt(3)|^(2 cos^(2) x-3 cos x+1)=1 in [0, pi] is

The number of solutions of the equation cos^(-1)((1+x^2)/(2x))-cos^(-1)x=pi/2+sin^(-1)x is 0 (b) 1 (c) 2 (d) 3

The number of solutions of the equation cos^(-1)((1+x^2)/(2x))-cos^(-1)x=pi/2+sin^(-1)x is 0 (b) 1 (c) 2 (d) 3