The value of a 'for which the function `f(x)=a sin x+(1)/(3)sin3x` has an extremum at `x=(pi)/(4)` is

The value of a for which the function f(x)=a sin x+((1)/(3))sin3x has an extremum at x=(pi)/(3) is 1(b)-1(c)0(d)2

What is the value of p for which the funtion f(X)=p sinx+(sin 3x)/(3) has an extremum at x=(pi)/(3) ?

The value of n in N for which the function f(x) = (sin(nx))/(sin (x/n)) has a period of 4pi , is

The value of integer n for which the function f(x)=(sin x)/(sin((x)/(n))) has 4 pi its period is

Find the values of 'a' for which the function f(x)=sin x-a sin2x-(1)/(3)sin3x+2ax stricly increases throughout the number line.

The value of k for which the function f(x)={(sin3x)/(x), if x!=0, k if x=0 is continuous at x=0 is

The function f(x) = a sin x + 1/3 sin 3x has maximum value at x = pi/3 , the value of a is