#i’m not sure what to do from here

38 messages · Page 1 of 1 (latest)

earnest atlas
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You just have a straight out formula for this kind of equations

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,w integral 1/(√a^2- x^2)

vale helmBOT
earnest atlas
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Not this

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,w integral 1/(√(a^2- x^2)

vale helmBOT
earnest atlas
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It should be sin^(-1)(x/a)

graceful cobalt
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bro

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ur in university

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tthis is a high school problem

quick socket
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@graceful cobalt lol

graceful cobalt
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brian

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which university do u go to

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UWash?
UMich?
Virginia Tech?

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UT Austin?

clear geyser
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I was never taught this in highschool

snow delta
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use trigonometry substitution
x = 2 sin(u)
dx = 2 cos(u) du
see what you can do from there

clear geyser
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Yeah I figured it out thanks @snow delta

jade cipherBOT
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@clear geyser has given 1 rep to @snow delta

snow delta
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urwelcome

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substitute x = a tan(u)

quick socket
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what about (sqrt(a)+sqrt(x))^2?

snow delta
quick socket
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yes

snow delta
graceful cobalt
earnest atlas
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Bruh we just learnt the formulae because doing it all again and again takes time

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Because of tons of questions

rustic perch
# vale helm 
arctan(x/sqrt(a^2 - x^2)) = arcsin(x/a)```
Just draw the triangle.
rustic perch
earnest atlas
rustic perch
earnest atlas
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Yup

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But we used to learn the simplest form

clear geyser
woeful acornBOT
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@clear geyser

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dry anvil
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+close

woeful acornBOT
# dry anvil +close

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