[" The equation "sin^(4)x-2cos^(2)x+a^(2)=0" is "],[" solvable if : "]

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

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

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

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

The equation sin^4x-2cos^2x+a^2=0 can be solved if

The equation sin^4x-2cos^2x+a^2=0 can be solved if

The equation sin^4x+cos^4x+sin2x+alpha=0 is solvable for

The equation sin^(4) x + cos^(4) x + sin 2 x + alpha = 0 is solvable 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