BONUS: IMPRESS YOUR CALC 2 TEACHERS

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blackpenredpen
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Hi!!!! If you liked this video, be sure to give this video a like!! And if you do use this method on your calf 2 exams, let me know how it goes!!

Subscribe~

blackpenredpen
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I think I understand trigonometric substitution better because of this video. Wow, so many layers to knowledge. Thank you for this.

francisluglio
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Fellow students!!!
Use this method on your exam. But be sure to add the link of the video at the 'description ' of your exam paper!! 😂

aurithrabarua
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That title caught my attention completely

rodrigo-vlbi
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This is awesome! Using trig without using trig! 😀

SyberMath
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we sometimes forget what calculus actually is. really nice video!

kryt
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Another great example of how a little can go a long way (side note, you know you're in for some Pythagorean goodness when you see a difference of squares!)

marcushendriksen
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You are a Boss, i love all your videos. Thank you!!
I don't speek english well, but i can understand your pronunciation very clearly.

riccardobenetti
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This video absolutely switched my understanding of Calculus

nkolas
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Why do trig substitution when you can picture the trig substitution!

watamidoing
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Love your videos ❤️ BlackpenRedPen ❤️❤️

karthikrambhatla
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Great video as always!
It would be nice if you could help me with that promlem though.
f(x)=ax^2+bx+c and there is a pair of values of x that f(q)=w and f(w)=q prove that this function cannot do the same thing with a pair of numbers other than q and w

elektriksvarsiki
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In India we just use this format as a direct formula which you have to memorize.

But when you know the concept behind it it's so much easier to learn.

amj.composer
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I can't believe you made a video about my comment! Thank you very much!

SciDiFuoco
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Wow! How I didn't notice this before! I'm really going to take this into account for future problems

DeathGryphon
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I been so busy w school I'm glad I made time for this. As always awesome video :) it is so clever hehe

sergioh
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I was about to do this integral tomorrow. Thanks for saving me for incorrect calculation. LOL

Rekko
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I love this solutions: sin(theta)=x -> theta=sin(x)^-1, i have always had problems with this :D

glinrey
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U took one of comments below last video and visualized it in this video...





Impressive! :D

HiKami-fo
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"Because the outside we use x, the inside we cannot."
Many physicists have this mistake, putting dummy variable = upper limit!

mokouf