Calc II sucks, any tips on keeping all the integration techniques in my head

[SpaceHamsterBoo]

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I've found it to be pretty easy so far but when my prof throws a crazy integral and the only way to do it involves trig identities, ln's and e's and square root elimination all in the same damn program UGHHHH

 

[theseeker4]

I've found it to be pretty easy so far but when my prof throws a crazy integral and the only way to do it involves trig identities, ln's and e's and square root elimination all in the same damn program UGHHHH

Practice. Nothing else will do it for calc if you don't get it right away. You just need to practice the problems over and over until you are familiar with how to do them.

 

[487806]

I've found it to be pretty easy so far but when my prof throws a crazy integral and the only way to do it involves trig identities, ln's and e's and square root elimination all in the same damn program UGHHHH

I'd focus more on substitution and integration by parts. Those are very widely used. Trig substitution is used with a quadratic inside a square root. Partial fractions is for breaking down complicated fractions.

Honestly, practice will show you which method is best.

 

[C.glabrata123]

practice practice practice. do every problem at the end of the chapter and nothing your professor gives you should take you by surprise.

 

[Lucca]

Memorize all the trig identities and do every different kind of problem. After a while you will see a pattern. Especially with "e". Learn e's many identities, its Taylor series, its limit estimation, where it comes up in applications, etc. e is literally everywhere, learn to love e.

 

[487806]

Memorize all the trig identities and do every different kind of problem. After a while you will see a pattern. Especially with "e". Learn e's many identities, its Taylor series, its limit estimation, where it comes up in applications, etc. e is literally everywhere, learn to love e.

lolwut? The only trig identity that needs to be known is the Pythagorean identity. Everything else can be consulted or rederived by a fancy way.