<p>so thiis year i hav a teacher who gives extremely hard problems on the tests (WAY harder than the collegeboard) and i would like to know if there are any websites out there that have hard calculus questions that i can use it to practice and prepare for her exams...any suggestions?</p>
<p>[Free</a> Online MIT Course Materials | Supplemental Resources | MIT OpenCourseWare](<a href=“http://ocw.mit.edu/ans7870/resources/Strang/strangtext.htm]Free”>http://ocw.mit.edu/ans7870/resources/Strang/strangtext.htm)</p>
<p>It isn’t Spivak or Apostol, but this is a very decent book with some pretty good problem sets.</p>