no.of solutions of the equation `e^(sin""x)- e^( -sin""x)-4""=""0`

The equation e^(sin x)-e^(-sin x)-4=0 has

Solve e^(sin x)-e^(-sin x) - 4 = 0 .

The number of solutions of the equation 3"sin"^(2) x - 7"sin" x +2 = 0 in the interval [0, 5 pi] , is

The number of solutions of the equation "sin" x = [1+"sin" x] + [1 -"cos" x] "in" [0, 2pi] is

Number of solutions of the equation 2 sin^3x + 6 sin^2x -sin x-3=0 in (0, 2pi), are

The number of solutions of the equation e ^(x) - log (x)=0 is :

The number of real solutions of the equation "sin"e^(x)"cos" e^(x) = 2^(x-2) + 2^(-x-2) , is

Number of solutions of the equation e^(-sin^2x) = tan2x in [0, 10pi] is

The number of solutions of the equation "sin" x = "cos" 3x " in " [0, pi] is

The solutions of the equation 1+(sin x - cos x)"sin" pi/4=2 "cos"^(2) (5 x)/2 is/are