Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
C
Spherical Trigonometry: Lewis and Clark followed several rivers in their trek...
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0
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3K
CantEven
C
B
volume of intersecting cylinders
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7
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2K
bkvanbek
B
I
Solution to 4 tan x ÷ 1-tan^2 x?
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3
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2K
Deleted member 4993
D
K
What is the average turning angle I should take to stay within a defined circle?
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4
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4K
killbot2000
K
R
Equation Proof: a*sin2(α) + b*sin(α)cos(α) + c*cos2(α) = (a*m^2 + b*m + c) / m^2 + 1
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3
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3K
rumbata2
R
F
angle A which sider are perpendicular to the bisectors of adjacent supplementary....
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2
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1K
pka
pka
N
regular hexagon problem: what are the dimensions of those rectangles?
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4
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3K
Night14
N
H
Identities: sin2x/1+cos2x=tanx
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2
Views
1K
Deleted member 4993
D
olagoketobi
Coordinate Geometry: The altitude AD, BE, CF of a triangle are x+y=0, x-4y=0 and ....
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3
Views
2K
olagoketobi
olagoketobi
W
Trig Help...
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2
Views
958
Harry_the_cat
Harry_the_cat
F
Help Please: tan[2sin^-1(-12/13)]. What I did was solve the triple, but...
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1
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2K
Deleted member 4993
D
K
Zamboni Problem
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2
Views
2K
Kermit
K
E
Finding angle between lines with parametric equations
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0
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1K
escobarro
E
A
Stuck on 9 problems: cos (tan^-1 u + tan^-1 v), cos [sin^-1 2/3 + 2sin^-1 (-1/3)],...
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7
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2K
awdree
A
M
How do I write a true equation involving 2 or more angles? AB=BA, AE=CE
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2
Views
1K
stapel
stapel
Z
Having trouble finding lenght
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2
Views
1K
Zulgok
Z
Z
Vector problem - need help!
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1
Views
926
ksdhart
K
H
Similar Polygons: corresponding sides of two similar polygons have lengths 3 and 7.
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1
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2K
stapel
stapel
F
Badly Printed or Am I Missing Something?
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3
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1K
Flicksandtricks810
F
W
Distance to find shape of graph
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3
Views
1K
stapel
stapel
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