3cos^(-1)x-pi x-pi/2=0" has "

The equation 3 cos^(-1) x - pi x - (pi)/(2) =0 has

The equation 3 cos^(-1) x - pi x - (pi)/(2) =0 has

The equation 3 cos^(-1) x - pi x - (pi)/(2) =0 has

To the equation 2^(2pi//cos^(-1)x)-(a+1/2)2^(pi//cos^(-1)x)-a^(2)=0 has only real root, then

If 0

cos (2cos ^(-1) x+sin ^(-1) x) , " when " x=(1)/(5) where 0 le cos ^(-1) x le pi , -(pi)/(2) le sin ^(-1)""xle(pi)/(2)

If cos(x+pi/3)+cos x=a has real solutions, then number of integral values of a are 3 sum of number of integral values of a is 0 when a=1 , number of solutions for x in [0,2pi] are 3 when a=1, number of solutions for x in [0,2pi] are 2