`" If "tan^(2)x+sec x=a+1" has at least one solution,then the complete set of values of "a" is "`

If tan^(2)x+secx -a = 0 has atleast one solution, then complete set of values of a is :

If 2^(2x+2)-a*2(x+2)+5-4a>=0 has at least one real solution,then complete set of values of a is

If 9-x^(2)>|x-a| has atleast one negative solution,where a in R then complete set of values of a is

If the trigonometric equation tan^(-1)x=2sin^(-1)a has a solution, then the complete set of values of a is

If x^(2)-x+a-3<0 for at least one negative value of x, then complete set of values of 'a is

The equation x+cos x=a has exactly one positive root.Complete set of values of a' is

If 16-x^(2)>|x-a| is to be satisfied by at least one negative value of x, then complete set of values of 'a' is

If both the roots of the equation x^(2)+(a-1) x+a=0 are positive, the the complete solution set of real values of a is

The equation tan^(4)x-2sec^(2)x+a=0 will have at least one solution if