The number of points where the curve `y=sin x+(1)/(2)sin2x+(1)/(4)sin4x` has a horizontal tangent in the interval `(0,pi)` is

The number of points where the curve y=sin x+(1)/(2)sin2x+(1)/(4)sin4x has a horizontal tangent in the intervel (0,pi) is

The number of points where the curve y=sin x+(1)/(2)sin2x+(1)/(4)sin4x has a horizontal tangent in the intervel (0,pi) is

The number of points where the curve y=sin x+(1)/(2)sin2x+(1)/(4)sin4x has a horizontal tangent in the intervel (0,pi) is

The number of points where the curve y=sin x+(1)/(2)sin2x+(1)/(4)sin4x has a horizontal tangent in the intervel (0,pi) is

The least value of a for which the equation (4)/(sin x)+(1)/(1-sin x)=a has at least one solution in the interval (0,(pi)/(2))(a)9(b)4(c)8 (d) 1

The slope of the tangent to the curve y=sin^(-1) (sin x) " at " x=(3pi)/(4) is

The ordinate of all points on the curve y=(1)/(2sin^(2)x+3cos^(2)x) where the tangent is horizontal,is

What is the slope of the tangent to the curve y=sin^(1)(sin^(2)x)

The equation of the tangent to the curve y=(1+x)^(y)+sin^(-1)(sin^(2)x) at x=0 is

The number of solutions to the equations cos^(4)x+(1)/(cos^(2)x)=sin^(4)x+(1)/(sin^(2)x) in the interval [0,2pi] is