The value of `k` if the equation `2cosx+cos2k x=3` has only one solution is (a)`2` (b)` 2` (c) `sqrt(2)` (d) `1/2`

For what value of k the equation sin x+cos(k+x)+cos(k-x)=2 has real solutions?

If the equation 2 cos x + cos 2 lambda x=3 has only one solution , then lambda is

The value of K so that the equation (K+1)sin x+2cos x=2+K has at least one solution is

The value of K so that the equation (K+1)sin x+2cos x=2+K has at least one solution.

If the equation 2cos^(2)x+cosx-a=0 has solutions, then a can be

The number of integer values of k, for which the equation 2 sin x =2k+1 has a solution, is

Find the values of p so that the equation 2cos^2x-(p+3)cosx+2(p-1)=0 has a real solution.

Number of real values of k for which the equation (x+2)/(kx-1)=x has exactly one real solution is (A)0(B)1(C)2(D)3

For what values of k ,the equation x^(2)-2(1+3k)x+7(3+2k)=0 has equal roots?

The values of k for which the equation sin^(4)x+cos^(4)x+sin2x+k=0 possess solution (A)k in[-(3)/(2),1] (B) k in[0,(1)/(2)] (C) k in[-(3)/(2),(1)/(2)] (D) k in[(1)/(2),1]