$y=\cos 2x,0^{\text{o}}\le x\le {360}^{\text{o}}$

Periode = ${\displaystyle \frac{{360}^{\text{o}}}{2}}={180}^{\text{o}}$

$y=\cos x-1,0^{\text{o}}\le x\le {360}^{\text{o}}$

Kurva bergeser 1 unit ke bawah

$y=\cos (x+{45}^{\text{o}}),0^{\text{o}}\le x\le {360}^{\text{o}}$

Kurva bergeser 45º ke kiri