Integral of sec^2x

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trig integrals, trigonometric integrals, integral of sin(x), integral of tan(x), integral of sec(x), James Stewart single variable Calculus sect 7.2, integration examples, integral examples, antiderivative examples, u substitution examples, integral practice problems, calculus 2 practice problems, blackpenredpen,
intégrale de s ^ 3 (x), solidaire de la sécante

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I was really overthinking this one lmao.

jolte

I'm traveling back in time from 31 May 2017 to give this video a thumb up, because now I know that this dude knows how to integrate sec^2x properly ;)

heliocentric

Amazing, I wish every video was like this, life would be so much easier, don't need some 3 minute video for something we just have to know. Well done my man <3

periodicdinamo

This is probably one of my favorite youtube videos now.... Thank you!

rasultalishinskiy

came in expecting a 10 minute lecture, this is amazing, 爱你哟~

danleeaj

The dislikes might be because you assume something from previous knowledge. But what if you did not know that tan(x)' = sec^2(x)?

thewildmind

Even if you don't know the derivative of tan(x) then maybe you know that tan(x) = sin(x)/cos(x) and then you know that sec(x) = 1/cos(x) and you know the how to differentiate fractions and so you know that there will be a cos(x)^2 at the bottom if you differentiate tan(x) and you may get the idea of trying to differentiate tan(x) using sin(x)/cos(x) and end up getting the result that you wanted? Just saying.

theInternet

Suddenly all of us remember this is actually a formula 😂

LyricalCom-coxj

Thank you for the help it's a great help . Some seeing this comment after 7 years from today this is a comment posted on Jan 9 2023

adhiseshankv

You rock dude! Sorry for the dislikes. I really feel they are unwarranted. Or perhaps you should add a little proof but either way, this videos does the job for me. Thanks

Peter-bgku

Jajajajajajajaja. You have killed me laughing. Thanks!! I love you <3

romeroreyesjazminsamara

Who’s here from
His recent video comment?

odilanmaevidence

im in differential equations and needed this video to solve a variation of parameters problem. oh boy my midterm is tomorrow. 😭

redauraforlife

I started watching you from 2019 and was not able to recognize you after watching this video lol😂😂

pranav

Now I got to know why I do everything wrong in maths

Arindamdebnrh

For the hell of it, I made it tan^2x+1, took u as tanx, got integral[(u^2+1)/(u^2+1)]
= u + c
= tanx + c

darcash

I forget simple things after dealing with complex ones for some time!

SaiAbitathaDUCIC

intégrale de s ^ 3 (x), solidaire de la sécante

blackpenredpen

why did i get a notification for this wtf lmao

lumina_

yeah u r basically saying, just memorize every derivative solutions, then u could solve integration problems, how easy is that?

himmelwolfz

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