The number of solutions of the equation `tan2x*tan x=1` `x in[0,2 pi]` is

The number of solutions of the equation tan2xtan x=1, x in[0,2 pi] is

Number of solution of the equation tan3x+tan x=0 in (0,pi) is

The number of solution of the equation tan3x-tan2x-tan3x.tan2x=1 in [0,2 pi] is

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

The number of solutions of the equation e^(x)=tan x,0

The number of solutions of equations |tan2x|=sin x" in"[0,pi]

Let f (x) = int x ^(2) cos ^(2)x (2x + 6 tan x - 2x tan ^(2) x ) dx and f (x) passes through the point (pi, 0) The number of solution (s) of the equation f (x) =x ^(3) in [0, 2pi] be: