https://www.khanacademy.org/math/french-advocate-math-content/xdd39aa8f9fd002bf:trigonometric-functions/xdd39aa8f9fd002bf:changing-the-period/v/period-of-a-sine-function 2026-01-13T09:02:08.304776338Z Period of a sine function So in the previous videos we have seen how to change the amplitude and the vertical shift. And today I would like to show you how to change the period a sine function. Let’s begin by looking at what the period is of a bog standard sine function. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Period of a sine function So in the previous videos we have seen how to change the amplitude and the vertical shift. And today I would like to show you how to change the period a sine function. Let’s begin by looking at what the period is of a bog standard sine function. https://cdn.kastatic.org/ka-youtube-converted/0CNiY-pMFKw.mp4/0CNiY-pMFKw.mp4 158 Changing the period