The number of integral values of a for which the equation `cos2x+a sin x=2a-7` possessess a solution.

The number of integral values of a for which the equation cos2x+asinx=2a-7 possesses a solution is

The equation a sin x+cos2x=2a-7 possesses a solution if

The number of integral values of k for which the equation 7cos x+5sin x=2k+1 has a solution is (1)4(2)8(3)10(4)12

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.

Find the number of integral values of lambda, for which equation 4cos x+3sin x=2 lambda+1 has a solution.

The number of integral value of k for which the equation 7cos x+5sin x=2k+1 has a solution is

Find the no.of integral values of k for which the equation 7cos x+5sin x=2k+1 has atleast one solution.