Question

A function is defined by

Ft=( 0, when - pi 13 years ago

Answer 1

\[F(t+2\pi)=F(t)=\begin{cases}0,&-\pi<t<-\tfrac\pi2\\2,&-\tfrac\pi2<t<\tfrac\pi2\\0,&~~~\tfrac\pi2<t<\pi\end{cases}\]

Answer 2

yes thats correct