<p>What should I end up when I integrate: 4 sin (t/2)?</p>
<p>-8 cos (t/2) + C</p>
<p>I think....</p>
<p>Yeah, that's what I got too. I don't know, my book's answer key must be wrong or something. Thanks.</p>
<p>yeah that's right</p>
<p>What should I end up when I integrate: 4 sin (t/2)?</p>
<p>-8 cos (t/2) + C</p>
<p>I think....</p>
<p>Yeah, that's what I got too. I don't know, my book's answer key must be wrong or something. Thanks.</p>
<p>yeah that's right</p>