<p>...So im in precalc right now and im wondering...</p>
<p>What trig stuff is most important for calc ab?</p>
<p>For example,</p>
<p>do i really need sum and difference formulas memorized, or is that some precalc jargin??</p>
<p>most trig laws carry over to calc, try to memorize them all.</p>
<p>Seriously, if you’re learning it now, it is expected knowledge in calculus. Your calc teacher will not go over that stuff with you again.</p>
<p>Memorize the unit circle and trig identities. It is very important for derivatives and integration.</p>
<p>DON’T MEMORIZE. Understand how everything in trig is derived and it’ll do wonders for you in calculus.</p>
<p>Um… how will he/she know how to do trig derivations in PRECALC? </p>
<p>He/she will learn the derivations in due time.</p>
<p>^It is easier to derive the formulas using e^(i*theta), but it’s possible to derive them with just precalc knowledge</p>
<p>So i should definetly know alllll these poopy formulas?</p>
<p>I’ve only really needed to use the most basic trig formulas in both AB and BC. The harder ones to memorize usually pertain to certain chapters. I wouldn’t worry about them too much. Your teacher will probably go over it once you start Calc.</p>
<p>now thats what i wanted to hear!! =]</p>
<p>I agree with Collegestress16. I’m in BC Calc this year. Basic trig identities you should know and will know, but the more specific ones don’t come up much at all (sum/difference, double angle, etc.).</p>