Post: Calculus Help
12-05-2011, 12:59 AM #1
(adsbygoogle = window.adsbygoogle || []).push({}); I need help finding the derivative of sin^4(3t^2) OR sin(3t^2)^4

I just need the first step of the derivative, so it would just be the outside function times the inside function.

Also I need to know what to do on these problems:

1. find the equation of the line tangent to the curve x^3 + y^3 = 6xy - 1 at the point (2,3)
2. find dy/dx (derivative) for the curve: sin(xy) = x^2 - y

Thanks + rep to whoever can help and vbux or cash if you help a lot.
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12-05-2011, 01:15 AM #2
My Hate
At least I can fight
Try this:

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I suck hard ass at Math BTW which is why I linked you to Wiki.

The following user thanked My Hate for this useful post:

Calebbeast
12-05-2011, 01:53 AM #3
Originally posted by xXMerkCampinXx View Post
Try this:

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I suck hard ass at Math BTW which is why I linked you to Wiki.


Thanks for trying, but the problems are a lot more complicated.
12-05-2011, 02:13 AM #4
My Hate
At least I can fight
Originally posted by Calebbeast View Post
Thanks for trying, but the problems are a lot more complicated.


Well I hope it helped a little bit.
12-05-2011, 06:16 AM #5
elfmotat
Rᵤᵥ - ½gᵤᵥR ∝ Tᵤᵥ
Use the chain rule:
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In this case,
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where:
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and:
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1) First take the derivative implicitly:
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Solve for dy/dx:
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Evaluate this at the (2,3) to find the slope of the tangent line:
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You can construct a line from a point and a slope:
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2) You have to take the derivative implicitly:
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Then solve for dy/dx:
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12-06-2011, 12:07 AM #6
glitchplz
Samurai Poster
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12-06-2011, 12:11 AM #7
Pichu
RIP PICHU.
I had the choice of Calculus, I chose Finite math instead. :P

---
You just reminded me, I have to finish a Powerpoint and short essay for my math class. 8 slides regarding why runners times are faster than before and figure out the linear programming of it with reasoning.

Not hard. :P
12-06-2011, 01:15 AM #8
Winning
Former Staff
Geometry :megusta:
12-06-2011, 05:28 AM #9
wardoc22
S.P.E.C.I.A.L
I learned all of this in the last year but forgot 99% of it. Just didnt use it enough in my life
12-06-2011, 05:45 AM #10
Mr.Alfredo
Samurai Poster
I'm surprised... don't in school they teach you the same thing for at least 1-2 weeks.. i mean that's the reason we go to school right? to learn the same thing OVER & OVER AGAIN.... BTW I suck at math & school sucks.... Claps

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