lf the fundamental period of function `f(x)=sinx + cos(sqrt(4-a^2))x` is `4pi`, then the value of a is/are

If the fundamental period of function f(x)=sin x+cos(sqrt(4-a^(2)))x is 4 pi, then the value of a is/are

If the fundamental period of function f(x)=sinx+cos(sqrt(4-a^(2)))x " is " 4pi , then the value of a is/are

Fundamental period of the function f(x) = cos (sinx) + cos(cosx) is :

If the fundamental period of the function cos(cos x)+sin(cos x) is (k pi)/(2) ,then the value of k=

The fundamental period of the function y=sin^(2)((sqrt(2)x+3)/(6 pi)) is lambda pi^(2) then the value of (lambda)/(sqrt(2)) is

The least period of the function f(x)=cos(cos x)+sin(cos x)+sin4x is (k pi)/(2), then the value of k is

Prove that period of function f(x)=sinx, x in R " is " 2pi.

Prove that period of function f(x)=sinx, x in R " is " 2pi.

Prove that period of function f(x)=sinx, x in R " is " 2pi.