 x^3, x^4, \frac{1}{x},
    \sin x, \cos x, \tan x, \sec x, \arctan x, e^x,\ln x.$$ Then
    use a computer algebra system, such as
    <a href="http://sagecell.sagemath.org">Sage</a> or <a href="http://http://www.wolframalpha.com/">Wolfram Alpha</a> to
    verify your work.
  </div>

</section><section>  <h1>Derivatives</h1>

  <p>In first semester calculus, one of the things
  you focused on was learning to compute derivatives. You'll need
  to know the derivatives of basic functions (found on the end
  c