Number of integral values of k for which the equation `4 cos^(-1)(-|x|)=k` has exactly two solutions, is:

Number of integral values of k for which the equation 4cos^(-1)(-|x|)=k has exactly two solutions,is:

The number of integral value(s) of k for which the equation

The number of integral values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is

The number of integral values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is

The number of integral values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is

The number of integral values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is

The number of integral values of k for which the equation |x^(2)-5|x|+6|=k has four solution is

The number of integral values of k for which the equation sin^(-1)x+tan^(-1)x=2k+1 has a solution is 1(b)2(c)3(d)4

The number of integral values of 'k' for which the equation 3sinx + 4 cosx = k + 1 has a solution, k in R is

Find the number of integral values of k for which the equation 7 cos x+5 sin x=2k+1 has at least one solution.