Integral of sec^3x

This calculus video tutorial explains how to find the integral of sec^3x using integration by u-substitution and integration by parts.

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[dominioninside]

This channel should be mentioned in history it's a real hero

[danzzz]

As promised, when I will become a Mechanical Engineer soon, I would donate to his channel when I get a decent job. This man is deserving to receive money from students than to our instructors who just give us coverage and no discussions at all plus they gave tests that are really difficult to solve. Thanks man. I hope you continue on giving lessons to hardworking students out there. And to the one who may read this, may your sacrifices be paid by your hardwork someday. 😇

[arianaazmir]

Ive been stucked with sec^3 for 3 days then i found this video. YOU A REAL LIFE SAVER

[Machiaveelli]

Lesson: Integral cosx
Homework: Integral 1/x
Exam: Integral sec^3 x
…

[zhaadd]

genius omg i have been up all night working on this one

[PunmasterSTP]

Other commenters mentioned that this video was really helpful, which I totally agree with. But I also think it was...integreat. And thanks for allowing us to secant out this nice explanation!

[sofee.]

I was literally crying because of this integral, it makes so much sense now :’)

[divyajha]

This was really helpful, thank you so much, excellent explanation 👏

[aisyahtsany]

thank you so much🤩your videos are always helpful for me as an engineering student

[christopherpolanco]

I like at 6:33 where he says, "And that's it."

Oh okay, only that. That's easy.

[taldevos]

Thanks man. This method, where you substitute the whole integral for something like a and then divide by the number in front of it, I've only seen it once before and I really like it actually. It's a shame it isn't used more often.

[DPStudios]

Chemistry tutor to the rescue once again 🙏.

[maryangelievictoria]

Thank you very much for this! this was extremely helpful!

[christinedanitha]

I have already understand cause this channel. Thankyou very much. 👍

[ichangednametoamorecringyo]

2:50 been workin on this problem for hours and thought I was doing something wrong when I kept getting to this step

[zeynaviegas]

3:02 everything was fine until this moment; why would you multiply sec by (sec + tan)? this seems so arbitrary to me

[ericaanti]

Thanks so much. This is really helpful ☺️

[faraikudenga]

Great 👌 explanation sir it has really helped me Alot..

[Noentiendo-qbve]

Thought first semester was going to go easier on me.

[leeyeekoo]

should you put dx behind the integral of sec^3x? beside just putting it behind the integral of secx