List questions from polar-coordinates

Published on 14 Apr 2026 - 6:30

93

Views

Proving that central orbit is a conic section

Published on 13 Apr 2026 - 2:29

436

Views

Integrating mass element of a spherical disc

Published on 14 Apr 2026 - 20:12

150

Views

Working with angles in complex number fields

Published on 12 Apr 2026 - 3:01

66

Views

Is it really in "polar coordinates" if there are no $\hat{r}$ and $\hat{\phi}$?

Published on 12 Apr 2026 - 22:31

55

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double integral on a bounded domain

Published on 11 Apr 2026 - 15:22

602

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Graph Polar equation: $r = \sin^2(\theta)$ in polar plane

Published on 16 Apr 2026 - 17:33

35

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Determining stability of Equibrium of a Centre

Published on 11 Apr 2026 - 19:59

97

Views

Evaluating Integral involving hypergeometric function $\int_0^r (1+z^2)^{-N-k/2}z^{N-1}F(-k/2,-k/2,1- \frac{k+N}{2}; \frac{N}{2};(\frac{z}{r})^2) dz$

Published on 14 Apr 2026 - 20:03

64

Views

can someone just quickly explain the notation here, thank you

Published on 14 Apr 2026 - 10:57

221

Views

Let $X$ and $Y$ be independent random variables each with normal density $N(0, σ^2)$. Find $P(X^2+Y^2\leq 1)$. Use polar coordinates.

Published on 17 Apr 2026 - 2:30

1.1k

Views

Polar coordinates for a gaussian random vector

Published on 12 Apr 2026 - 20:27

80

Views

Why isn't $dydx$ equal to $r\cos^2\theta dr\,d\theta$?

Published on 16 Apr 2026 - 13:36

52

Views

Multivariable limit with indefinite form ($\infty * 0$ )

Published on 15 Apr 2026 - 3:48

1.4k

Views

What is the area of a single petal/leaf of a rose curve?

Published on 14 Apr 2026 - 9:38

List Question

Argument of a complex number as arctan

Proving that central orbit is a conic section

Integrating mass element of a spherical disc

Working with angles in complex number fields

Is it really in "polar coordinates" if there are no $\hat{r}$ and $\hat{\phi}$?

double integral on a bounded domain

Graph Polar equation: $r = \sin^2(\theta)$ in polar plane

Determining stability of Equibrium of a Centre

Evaluating Integral involving hypergeometric function $\int_0^r (1+z^2)^{-N-k/2}z^{N-1}F(-k/2,-k/2,1- \frac{k+N}{2}; \frac{N}{2};(\frac{z}{r})^2) dz$

can someone just quickly explain the notation here, thank you

Let $X$ and $Y$ be independent random variables each with normal density $N(0, σ^2)$. Find $P(X^2+Y^2\leq 1)$. Use polar coordinates.

Polar coordinates for a gaussian random vector

Why isn't $dydx$ equal to $r\cos^2\theta dr\,d\theta$?

Multivariable limit with indefinite form ($\infty * 0$ )

What is the area of a single petal/leaf of a rose curve?

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