Question

Show $\{(r\cos \alpha,r\sin \alpha):r=\frac{6}{1-2\cos \alpha)}\}$ is the image of $\phi(t)=(-4+2\cosh(t),2\sqrt{3}\sinh(t))$

score 37 · Answer 1 · 2026-04-16 21:11:46

37

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Show $\{(r\cos \alpha,r\sin \alpha):r=\frac{6}{1-2\cos \alpha)}\}$ is the image of $\phi(t)=(-4+2\cosh(t),2\sqrt{3}\sinh(t))$

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116

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score 65 · Answer 3 · 2026-04-11 19:43:01

65

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score 74 · Answer 4 · 2026-03-29 13:21:37

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score 71 · Answer 7 · 2026-04-17 05:39:19

71

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score 150 · Answer 12 · 2026-04-14 16:06:26

150

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score 961 · Answer 13 · 2026-04-11 07:03:38

961

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score 30 · Answer 15 · 2026-04-10 22:43:52

30

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List Question

Show $\{(r\cos \alpha,r\sin \alpha):r=\frac{6}{1-2\cos \alpha)}\}$ is the image of $\phi(t)=(-4+2\cosh(t),2\sqrt{3}\sinh(t))$

Integrating double integral with spherical coordinates problem with interpret a domain

Help for solving integral in spherical coordinates with domain that is elipse

Cartesian to polar coordinate

Evaluating this double integral with polar coordinates

calculus - Evaluating double integral with polar coordinates

Finding $\iint_{G} e^{x^2 + y^2} \,dx\,dy$, $G=\{(x,y) : x^2 + y^2 ≤ R^2\}$

How can I solve PDE with Green function?

Adding two polar forms?

Under what circumstances do symmetries in polar graphs hold?

Double integral bounds of integration polar change of coordinate

Sketch polar curve $r^2 = -\sin(2\theta)$

Deceptive intersection of polar curves

Complex analysis. Continuous and differentiable function in polar form

Implication following from equation in polar form.

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