Use the GeoGebra app below to graph sine and cosine functions. [br][br]For a version of this app that is π-friendly(useful for when period and x-coordinates of key points are written in terms of [math]\pi[/math] ), see [url=https://www.geogebra.org/m/synfumhq]this resource[/url]. [url=https://www.geogebra.org/m/jeeacrby]Click here for a blank set of 5 of these resources[/url].