Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
M
Can this be solved -
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4
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1K
mario99
M
R
Trigonometric Regression of bouncing ball vertical displacement over time
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8
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1K
Dr.Peterson
Dr.Peterson
M
more smooth manifolds questions (differential forms edition)
2
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31
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7K
MathNugget
M
J
Trig & geometry question
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5
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1K
Dr.Peterson
Dr.Peterson
M
If M, N are smooth manifolds and f:M→Nf: M \rightarrow N is C∞C^{\infty}, is f(M)f(M) a submanifold of N?
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8
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1K
MathNugget
M
M
Proving {(x,y,z)∈R3∣x2−y2−2z=0}\{(x,y,z)\in \mathbb{R}^3 \vert x^2-y^2-2z=0\} is a submanifold of [imath]\mathbb[R}^2[/imath]
Replies
4
Views
801
MathNugget
M
N
Uniqueness of vector sum
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8
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1K
mario99
M
V
Circumference using chord ONLY
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7
Views
1K
khansaheb
K
M
Vectors world problem
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9
Views
4K
mmm4444bot
mmm4444bot
V
Circle transformed to a triangle
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7
Views
884
blamocur
blamocur
V
Circumference
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11
Views
2K
vyasch
V
M
Proving P2\mathbb{P}^2 is Hausdorff
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17
Views
4K
MathNugget
M
J
Creating equations that meet certain conditions given 1 3D line
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3
Views
664
Dr.Peterson
Dr.Peterson
D
Formulas for programming Poincare-disk tiling
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4
Views
971
Drachenbauer
D
P
Right triangle
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12
Views
2K
MathNugget
M
V
Calculate circumference without using Pi
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4
Views
1K
vyasch
V
imk
How to calculate width of gap between two objects along an oblique angle
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4
Views
679
lev888
lev888
B
Im not sure how to do this...
Replies
9
Views
2K
jonah2.0
jonah2.0
M
is f:R→R2,f(t)=(t2,t3)f:\mathbb{R}\rightarrow \mathbb{R}^2, f(t)=(t^2, t^3) an embedding?
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4
Views
1K
MathNugget
M
M
Is the S2\mathbb{S}^2 sphere diffeomorphic to P2RP^2R ?
Replies
13
Views
3K
blamocur
blamocur
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