List questions from polar-coordinates

Published on 15 Apr 2026 - 9:54

776

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Evans 's PDE proof

Published on 16 May 2026 - 17:29

70

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seemingly simple question about polar coordinates

Published on 15 Apr 2026 - 12:58

7.8k

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Radius of curvature polar

Published on 17 Apr 2026 - 10:24

188

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Two ways to evaluate $\int (\Delta u) v d\Omega$, two different results

Published on 13 Apr 2026 - 4:08

127

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How to integrate $\frac{y^2-x^2}{(y^2+x^2)^2}$ with respect to $y$?

Published on 14 Apr 2026 - 10:30

387

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Set up triple integral for volume (cylindrical coordinates)

Published on 14 Apr 2026 - 2:50

7.8k

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Symmetry of polar equations

Published on 12 Apr 2026 - 11:25

2.2k

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How is $r(\theta) = \sin \frac\theta2$ symmetric about the x-axis?

Published on 13 Apr 2026 - 21:59

97

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Are we really ever plotting in polar coordinates?

Published on 11 Apr 2026 - 11:06

54

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Show a polar function's diffrentiability

Published on 11 Apr 2026 - 10:52

45

Views

Product rule trig

Published on 12 Apr 2026 - 2:40

565

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for $z,w\in\mathbb{C}$, $\sqrt{zw} = \sqrt{z}\sqrt{w}$?

Published on 15 Apr 2026 - 18:11

1.9k

Views

Express partial derivatives of second order (and the Laplacian) in polar coordinates

Published on 15 Apr 2026 - 10:01

208

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Area of the region given in polar coordinates as $\sec\theta\le r\le 2\cos\theta$

Published on 15 Apr 2026 - 4:16

List Question

Error with mixed derivatives during derivation of Laplacian in polar coordinates

Evans 's PDE proof

seemingly simple question about polar coordinates

Radius of curvature polar

Two ways to evaluate $\int (\Delta u) v d\Omega$, two different results

How to integrate $\frac{y^2-x^2}{(y^2+x^2)^2}$ with respect to $y$?

Set up triple integral for volume (cylindrical coordinates)

Symmetry of polar equations

How is $r(\theta) = \sin \frac\theta2$ symmetric about the x-axis?

Are we really ever plotting in polar coordinates?

Show a polar function's diffrentiability

Product rule trig

for $z,w\in\mathbb{C}$, $\sqrt{zw} = \sqrt{z}\sqrt{w}$?

Express partial derivatives of second order (and the Laplacian) in polar coordinates

Area of the region given in polar coordinates as $\sec\theta\le r\le 2\cos\theta$

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