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iop360
Group Title
find the slope of the line tangent to the following curve where x = 1...
 2 years ago
 2 years ago
iop360 Group Title
find the slope of the line tangent to the following curve where x = 1...
 2 years ago
 2 years ago

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iop360 Group TitleBest ResponseYou've already chosen the best response.0
\[y = \sin[x  \tan (\frac{ \Pi }{ 4 }x^{66})] + x ^{\frac{ 1 }{ 1 + 66\Pi }}\]
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
if you cant see the exponent part at the end, its: \[\frac{ 1 }{ 1+66\Pi }\]
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
answer is 99Pi
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
im currently at this step: \[\frac{ 66\Pi }{ 4} + \frac{ 1 }{ 1 + 66\Pi }\]
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
Oh goodness.. this one again iop? XD
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
What is that symbol? Is that suppose to be pi?
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
Why don't u use lowercase? D: that's so confusing..
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
i was wondering if that was confusing people
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
Hmm you sure the step you got to is correct so far? :O
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
i got this for y prime: \[y' = \cos[x  \tan(\frac{ \pi }{ 4 }x^{66})](1  \sec^2(\frac{ \pi }{ 4 }x^{66}))(\frac{ 66\pi }{ 4 }x^{65}) + \frac{ 1 }{ 1+66\pi }x^\frac{ 1 }{ 1+66\pi }1\]
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
So what i tried to do is... After you get a common denominator and all that jazz.. you have something that looks like a polynomial in the numerator. And I'm not seeing it factor nicely :( at least not in any way that will cancel with the denominator. Hmmm
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
plugged 1 in.. \[y'(1) = 1(1)(\frac{ 66\pi }{ 4 })(\frac{ 1 }{ 1+ 66\pi })\]
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
the factoring is the confusing part... how am i supposed to get it to 99pi
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
unless the steps i did to get it to that point were incorrect...i dont think so
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
dw:1349581968847:dw Hmm yah your steps look good so far :o
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
Oh that last term should be addition.. my bad. The way that you have it originally wrote out.
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
dw:1349582282567:dw Hmmmm...
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
yes! i did that, now im stuck..
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
some kind of factorization trick in there, perhaps?
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
Mmmm I don't see one :\ Must be something else going on there. Blah I give up! XD
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
thanks anyway
 2 years ago

micahwood50 Group TitleBest ResponseYou've already chosen the best response.1
What the **** kind of teacher give you question like that?!? Or did you make up this question on your own?
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
online homework haha
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
dw:1349583464134:dw
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
the 4's cancel out..but then what? lol
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
i guess the neg sign could be the neg sign in the answer: 99pi
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.0
What we currently have = 51.83147906... 99pi = 311.0176727 Hmmm something isn't right, that doesn't equal 99pi
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
yes that too
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
i guess i could submit this answer wrong and get a similar question with different values
 2 years ago

iop360 Group TitleBest ResponseYou've already chosen the best response.0
or that could make things worse
 2 years ago

micahwood50 Group TitleBest ResponseYou've already chosen the best response.1
According to WolframAlpha, the answer is 102.68 or \[133 \pi+\frac{1}{1+66 \pi}\] http://www.wolframalpha.com/input/?i=derivative+of++sin%28x++tan%28pi+%2F+4+x%5E66%29%29+%2B+x%5E%28%281%29%2F%281%2B66+pi%29%29+when+x+%3D+1
 2 years ago
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