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Author Topic: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)  (Read 4058 times)

Offline SGVaibhav

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help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« on: November 10, 2009, 02:57:51 pm »
[WARNING: VERY ANNOYING STUFF INSIDE ---> ENTER AT UR OWN RISK]



need to explain to full class, that how do we derive
the derivatives of arcsin, arccos, arctan, arcsec, (need to explain to full class, that how do we derive and get this values).
need to submit with 4-5 pages of handouts.
if anyone can help in any way, please do,
right now, i am reading it in wiki, (but am pretty confused ???) (lol :D still maths is fun :D)
« Last Edit: November 10, 2009, 06:19:51 pm by sgvaibhav »
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Offline slvri

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #1 on: November 10, 2009, 03:02:55 pm »
y dont u post this in the a level thread instead?
and inverse trig derivatives...dont know how to do them.......sory.....i bet astar knows
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Offline Zain-Xa

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #2 on: November 10, 2009, 03:03:11 pm »
Yeah ill move it there :)
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Offline Tyserius

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time
« Reply #3 on: November 10, 2009, 03:07:07 pm »
Gimme a moment, I'll give you an example and you can try proving it on other inverse trigo functions :) Will post it after this.
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #4 on: November 10, 2009, 03:10:28 pm »
well, i was reading on wiki, how to derive the inverse sine function.
and i came across this
they have reached till here

http://upload.wikimedia.org/math/a/b/3/ab3d5da927e35f4370bb0b9c0b483189.png

and now they wrote this thing
http://upload.wikimedia.org/math/8/8/a/88aedc93821b18cfc22c28cf970cd133.png

from where does this come ???
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Offline Tyserius

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time
« Reply #5 on: November 10, 2009, 03:16:52 pm »
Is this what you need?
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #6 on: November 10, 2009, 03:20:01 pm »
reading
looks effective so far
excited
will try that on cos and will tell if it works
Be right back reading :D
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #7 on: November 10, 2009, 03:27:34 pm »
how do we know that we have to find the adjacent side ???
and how do we get (root)1-x^2, that is confusing me
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #8 on: November 10, 2009, 03:28:47 pm »
im not getting it  :'(
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Offline Tyserius

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time
« Reply #9 on: November 10, 2009, 03:31:04 pm »
'Cause sin y = x which from that you know the opposite side is x and the hypotenuse is 1. What about the adjacent? Imagine a right-angled triangle with one of its acute angles as y.
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #10 on: November 10, 2009, 03:32:24 pm »
how is the hyp 1
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Offline Tyserius

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time
« Reply #11 on: November 10, 2009, 03:33:16 pm »
sin y = x meaning sin y = x/1 haha. And sin = opposite/hyp
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #12 on: November 10, 2009, 03:34:12 pm »
lol thanks,
let me try to continue
so stupid  >:(
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Offline Tyserius

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time
« Reply #13 on: November 10, 2009, 03:39:25 pm »
Haha, no prob :D You might have a problem with sec and cosec though, but do try it xD
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Offline SGVaibhav

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Re: help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)
« Reply #14 on: November 10, 2009, 03:43:52 pm »
lool

i was typing, BRAINS r like parachutes, plz open
and was going to type a doubt.
but got the answer

im convinced how do i get the answer, but im not sure if this method will be enough to convince others. im practicing how to convince others :D  ;D ;)
thanks for help :D
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