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Mathematics
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Narlin's user avatar
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Narlin
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Biological Chemist, PhD Math amateur.

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9
How to calculate velocity of the ship in the direction of the current?
Aug 8, 2018
6
Polar Coordinate function of a Straight Line
Apr 14, 2018
3
Parametric equation of a cone through 3D space
Jun 16, 2020
3
Two ellipses with constant gap
Apr 19, 2018
2
What is the cartesian equation of the $y=x^2$ parabola when it slides normally on the $f(x)= 3 \cos(x/3)$ curve with vertex at $(a, f(a))$.
Oct 19, 2022
2
Find a nice form of $1+\frac23+\frac{6}{3^2}+\frac{10}{3^3}+\dots$ with sigma notation
Jul 12, 2021
2
Maximize a subtended angle by finding the circle though $A$ and $B$ which is tangent to the $x$-axis.
Oct 30, 2019
2
Why is the slope of stacked concentric circles 2*pi*r? (About a calculus video by 3Blue1Brown.)
Sep 21, 2018
2
How to quickly convert to the parametric form of equation of line?
Jan 16, 2018
2
How does implicit differentiation relate to multivariable calculus?
May 13, 2018