Integral of tan^3(x)*sec(x), calculus 2 tutorial

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Learn the integral of tan^3(x)*sec(x) for your calculus 2 class.

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#blackpenredpen #math #calculus #apcalculus
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Me: stuck on this problem for 30 minutes

... bro does it in 3 minutes

vbeats
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ur videos are super helpful, I keep accidentally finding them again when I'm stuck on a problem, thanks!

armadillostudios
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You're awesome!!!You saved my calculus test hahahah congrats from Brazil ❤

alanamarzullo
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Dude! You really rock these calculus shit! Thanks for making my life easier! XD

elcarlos
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Thank you so much. Future Mathematics teacher here.

jay_emfernandez
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not the hero we deserve but the one we need

deathray
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You kind of saved my life so thank you

biancadeoliveirateixeira
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I get what your doing, but why wouldn't the secx to the first power in tanxsecx become u as well? So just because it is apart of tanxsecx and that is equal to du, it ignores the rule that u=secx?

gingermuro
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well maybe you made the video 6 years ago, but you definitely helping the future people like me 😂😂😂

teukudimas
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after i got (x+1)² i already transform x+1 = 2.tg(a), and it result a integral kind different of the answer of the book . It's also correct, just organized by another way, i guess it's easier than your . Thanks !

MrSpock-smdd
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I don't understand why the -1 becomes -u

crassbmt