Graph of cos(x) squared
<ul><li><a href="//commons.wikimedia.org/wiki/File:Sin.svg" title="File:Sin.svg">Sin.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Tttrung" title="User:Tttrung">Tttrung</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:JamesCrook" title="User:JamesCrook">JamesCrook</a> (<a href="//commons.wikimedia.org/wiki/User_talk:JamesCrook" title="User talk:JamesCrook"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Sin.svg" title="File:Sin.svg">Sin.svg</a></li></ul>