The equation `"sin"^(4) x -2 "cos"^(2) x + a^(2) =0` is solvable if

The equation sin^(4) x + cos^(4) x + sin 2x + k = 0 must have real solutions if :

The equation sin^(4)x+cos^(4)x+sin^(2)x+a=0 is solved for

The equation sin^(4)x+cos^(4)x+sin2x+alpha=0 is solvable for -(5)/(2)<=alpha<=(1)/(2)(b)-3<=alpha<1-(3)/(2)<=alpha<=(1)/(2)(d)-1<=alpha<=1

The number of solution of the equation 2 "sin"^(3) x + 2 "cos"^(3) x - 3 "sin" 2x + 2 = 0 "in" [0, 4pi] , is

Number of solutions of the equation sin^(4)x-cos^(2)x sin x+2sin^(2)x+sin x=0 in 0<=x<=3 pi

Consider the equation,sin^(4)x-cos^(2)x sin x+2sin a^(2)x+sin x=0in0<=x<=3 pi

Number of solutions of equation 2"sin" x/2 cos^(2) x-2 "sin" x/2 sin^(2) x=cos^(2) x-sin^(2) x for x in [0, 4pi] is