Even symmetry
A signal is even if :\( f(t) = f(–t)\)
A signal is even if: \(f(t) = f(–t)\) . To put it another way, we can mirror an even signal around the y-axis.

Figure 6 : Example of an Even Function.
A signal is even if :\( f(t) = f(–t)\)
A signal is even if: \(f(t) = f(–t)\) . To put it another way, we can mirror an even signal around the y-axis.