Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Infinite Geometric Series
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7
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3K
JeffM
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T
Rotation of axes for conics
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4
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2K
tmoria
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8
Trig Expression: (tan^3x-cot^3x)/(tan^2x+csc^2x)=tanx-cotx
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3
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5K
kendallann
K
M
Trig Functions?
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2
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1K
JeffM
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W
So....I need either an angle or a side.
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3
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2K
Mrspi
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C
help me please???
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2
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1K
JeffM
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W
Did I do this one right?
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4
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2K
soroban
S
W
Can't understand this.
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3
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1K
Deleted member 4993
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T
Moved - Oval Track
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14
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6K
tynshawnta
T
M
plot of land
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2
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1K
soroban
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P
U rock if u help me! Right triangle's hypotenuse as a diameter proof
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0
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1K
palominoinHim
P
C
Help PLEASE!!
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1
Views
1K
tkhunny
tkhunny
T
Hyperbola and circular cone
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2
Views
1K
tmoria
T
N
GPS position to grid
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6
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2K
JeffM
J
M
Finding the exact value
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2
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2K
HallsofIvy
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M
Finding tan(5) in terms of p when p=tan(10)
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5
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6K
MathsHelpPlz
M
B
5th grade math question
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5
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2K
lookagain
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H
2001 McDougal Littell Geometry Teacher's Edition?
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0
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19K
hstu
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L
Law of Sines/Cosines help.
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1
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1K
DrPhil
D
A
30-60-90 Triangles
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3
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2K
HallsofIvy
H
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