Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Is f(x1,x2,x3)=(2x1,x2,x3)f(x^1, x^2, x^3)=(2x^1, x^2, x^3) an isometry of the canonical metric on R3\mathbb{R}^3?
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5
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779
MathNugget
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shahar
street area
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4
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731
Dr.Peterson
Dr.Peterson
M
How to make the the tangent space TM into a fiber bundle
2
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20
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2K
MathNugget
M
H
Position of particle two dimensions
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5
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983
mario99
M
M
How to calculate what pie of a pie chart matches a specific (x,y) coordinate
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2
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599
MagicNRS
M
C
Equally spaced circles between two circles inclusive, with a minimum specified gap but no overlap.
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16
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2K
Dr.Peterson
Dr.Peterson
H
Force diagram
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2
Views
545
khansaheb
K
Agent Smith
Hyperbolic function
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4
Views
801
Agent Smith
Agent Smith
M
Basic Trig Question
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16
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1K
Masaru
M
imk
Transformation of Trig function w = 2*d*tan(a/2)
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3
Views
768
Dr.Peterson
Dr.Peterson
N
Problem of trigonometry
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4
Views
776
Dr.Peterson
Dr.Peterson
P
finding an infinity serie for a
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11
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1K
mario99
M
P
solve for x
2
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25
Views
3K
mario99
M
U
Angle related to different-sized, adjacent squares
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13
Views
2K
lev888
lev888
U
Finding water volume in an inclined cylinder
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4
Views
821
Dr.Peterson
Dr.Peterson
M
How to calculate the flux of a vector field? (differential geometry)
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15
Views
2K
blamocur
blamocur
M
Differential geometry and vector fields exercise
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10
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2K
MathNugget
M
M
Can this be solved -
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4
Views
864
mario99
M
R
Trigonometric Regression of bouncing ball vertical displacement over time
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8
Views
968
Dr.Peterson
Dr.Peterson
M
more smooth manifolds questions (differential forms edition)
2
Replies
31
Views
6K
MathNugget
M
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