Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
I
Proof for a Nonsingular, Irreducible Cubic
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4
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3K
iceybloop
I
M
Help with TRIGONOMENTRY
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1
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2K
stapel
stapel
N
Help with Proving Trig Identity
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4
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2K
Ishuda
I
C
I keep getting the wrong answer with half angle identity
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2
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2K
cotfw
C
L
solid geometry - calculating angles for the faces of a dodecahedron or icosahedron
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3
Views
12K
caspress
C
L
I think this is a geometry problem...
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0
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944
lrubin28
L
C
Finding a missing dimension of a triangle
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3
Views
5K
Deleted member 4993
D
markraz
Computational Geometry
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0
Views
992
markraz
markraz
N
Prove the Binomial theorem by induction.
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2
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2K
HallsofIvy
H
N
Try to place 8 Queens on a standard 8 x 8 chessboard
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1
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2K
Deleted member 4993
D
T
Trig Functions Help
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1
Views
1K
stapel
stapel
H
Problem with Two Axis Systems
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3
Views
2K
hutchay
H
N
Geometry task from high school competition
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2
Views
1K
soroban
S
B
Compass and Straightedge proof that two lines are segments of one straight line
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0
Views
1K
bphil
B
T
I have trouble with this exercise...
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3
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3K
HallsofIvy
H
M
Transformation urgent help!
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2
Views
2K
HallsofIvy
H
S
Hyperbolic Equation
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1
Views
1K
stapel
stapel
A
Trig Properties / Algebra question
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3
Views
1K
stapel
stapel
M
Formula of a hypotrochoid (spirograph pattern)
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2
Views
3K
Misanthropist
M
L
Trigonometry sum and differences
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5
Views
2K
learningmathh
L
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