" Solution to inequality "cos2x+5cos x+3>=0" over "[-pi,pi]" is "

The solution of inequality cos2x<=cos x is

In [-pi, pi] , solution of inequality………. cos 2x+5cos x +3 ge 0 is

In [-pi, pi] , solution of inequality………. cos 2x+5cos x +3 ge 0 is

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

The number of solutions of equation 2cos x+|sin x|=0 on x in[-pi,3 pi] will be

Solution set of inequality sin^(2)x cos x>cos^(2)x sin x where x in(0,pi) is

Principal solutions of the equation sin2x+cos2x=0, where pi

The solution set of the inequation "cos" x - "sin" xge 1 "in" [0, 2pi] , is

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)]