The number of roots of the equation `xsinx=1,x in [-2pi,0)uu(0,2pi)` is 2 (b) 3 (c) 4 (d) 0

The number of solutions of the equation sin x . Sin 2x. Sin 3x=1 in [0,2pi] is

The number of roots of the equation sin(2x+pi/18) cos(2x-pi/9)=-1/4 in [0, 2pi] is

Find the number of roots of the equation tan(x+pi/6)=2tanx ,forx in (0,3pi)dot

The number of solutions of the equation tan^(-1)(1+x)+tan^(-1)(1-x)=pi/2 is 2 (b) 3 (c) 1 (d) 0

The number of solutions of the equation x^2+2x^2+6x+2cosx=0in[0,2pi] is one (b) two (c) three (d) zero

The number of roots of the equation sqrt(x-2)(x^2-4x+3)=0 is (A) Three (B) Four (C) One (D) Two

Sum of roots of the equation x^4-2x^2sin^2(pix/2)+1=0 is 0 (b) 2 (c) 1 (d) 3

The number of solution of the equation |2sinx-sqrt(3)|^(2cos^2 x-3cosx+1)=1in[0,pi] is 2 (b) 3 (c) 4 (d) 5

Find the number of solution of the equation x^(3)+2x+cosx+tanx=0 in (-(pi)/(2),(pi)/(2))

Number of roots of the equation (3+cos"x")^2=4-2sin^8x ,x in [0,5pi]a r e _________