Periodic function

Let f(x)=nx + n-[nx + n]+tan((pix)/ 2) , where 9, [x] is the greatest integers function le x and n in N.It is 1) a periodic function of period1 2) a periodic function of period 4 3) not periodic 4) a periodic function of period 2

Periods of trigonometric function

Differentiate between Short Period production and Long Period production function .

Wat is a periodic wave function?

The period of the function |sin x| is