Parametric vs. Cartesian (vid#6): Arc Length

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Arc Length of parametric curve,

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blackpenredpen | 曹老師
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Cool. Sometimes, solving x or y in terms of t is really hard. Try x(t)=e^t * cos(t) y(t)=e^t * sin(t) from 0 to 2Pi. Doing the graph, it's easy to see solving for t in impossible. That curve also has a name, but I don't know which one is it.

hc_
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3/2sqrt(37)+1/4ln(6+sqrt(37))
Calculated with first Euler substitution

holyshit
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Do you have any videos on Lagrange multipliers? It seems like a natural extension of this lesson.

tjdowning
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Can you tell how to find radius of curvature at a given point on the curve

aniketmishra
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Derangements 😍 kinda looks like microstates and macrostates..

kayeassy
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"I don't know much about the L World" hahaha

guilhermeneryrocha
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Video 3 in the playlist is marked "Private video"... What are you hiding?? 😉

SOBIESKI_freedom
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You just can't write the capital letter L 😂😂😂

JordHaj