Question

Show $C(t)=(2\cos^3(t),\sin(2t),2\sin(t))$ is on the intersection of $x^2+y^2+z^2=4$ and $x^2+y^2=2x$

score 47 · Answer 1 · 2020-07-27 08:08:22

47

Views

Show $C(t)=(2\cos^3(t),\sin(2t),2\sin(t))$ is on the intersection of $x^2+y^2+z^2=4$ and $x^2+y^2=2x$

Published on 27 Jul 2020 - 8:08

score 406 · Answer 2 · 2020-07-27 09:00:33

406

Views

Finding different phase shifts

Published on 27 Jul 2020 - 9:00

score 3.4k · Answer 3 · 2026-03-28 03:52:59

3.4k

Views

Finding curvature for $y = \sin ( -2x )$ at $x =\pi/4$

Published on 28 Mar 2026 - 3:52

score 134 · Answer 4 · 2020-07-27 09:12:20

134

Views

Find area of this bounded curve. I don't know how to start? This question was asked in Mathematical belarusian olympiad.

Published on 27 Jul 2020 - 9:12

score 855 · Answer 5 · 2020-07-27 12:29:22

855

Views

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score 64 · Answer 6 · 2020-07-27 15:21:15

64

Views

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score 60 · Answer 7 · 2026-03-25 17:38:13

60

Views

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score 73 · Answer 8 · 2020-07-28 09:24:19

73

Views

Find $a,b,c$ and intersection of $y = ax^2 + bx + c$ with $x$-axis

Published on 28 Jul 2020 - 9:24

score 822 · Answer 9 · 2026-03-26 07:55:25

822

Views

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score 42 · Answer 10 · 2020-07-30 08:18:14

42

Views

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score 434 · Answer 11 · 2020-07-30 13:24:17

434

Views

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score 53 · Answer 12 · 2020-07-31 07:11:06

53

Views

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Published on 31 Jul 2020 - 7:11

score 64 · Answer 13 · 2026-03-26 18:49:10

64

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score 23 · Answer 14 · 2026-03-30 20:53:47

23

Views

Can anyone specify what kind of function can be used in this case?

Published on 30 Mar 2026 - 20:53

score 46 · Answer 15 · 2016-07-07 11:40:37

46

Views

Check if number lies on a curve...

Published on 07 Jul 2016 - 11:40

List Question

Show $C(t)=(2\cos^3(t),\sin(2t),2\sin(t))$ is on the intersection of $x^2+y^2+z^2=4$ and $x^2+y^2=2x$

Finding different phase shifts

Finding curvature for $y = \sin ( -2x )$ at $x =\pi/4$

Find area of this bounded curve. I don't know how to start? This question was asked in Mathematical belarusian olympiad.

Find a vector function that represents the curve of intersection of two surfaces and the tangent vector

Cauchy integration theorem proof

Determining how well a curve approximates another curve

Find $a,b,c$ and intersection of $y = ax^2 + bx + c$ with $x$-axis

Reparametrization theorem

Textbooks with non-trivial $2D$ Cartesian curve sketching exercises

Proving the existence of minimum distance between two curves

Area Under a Curve - Right points

Algebraic Curve

Can anyone specify what kind of function can be used in this case?

Check if number lies on a curve...

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