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

What is thevalue of a for which the function f(x) = a sin x + 1/3sin 3x hasan extremum at x=pi/3 ?

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

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)=asinx+1/3sin3x has an extremum at x=pi/3 is

Find the value of a for which the function f(x) = a sin x + (1)/3 sin 3x has an extremum at x =pi/3 .

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

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

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