Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Trigonometric Identities Problem
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1
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2K
starTman08
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S
Identity equation: 1/sin(x) - sin(x) = cos^2(x)/sec(x)
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2
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1K
starTman08
S
G
From a point 3d to another point 3d
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2
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1K
pka
pka
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L, M and N are mid points of sides AB, BC and CA of triangle ABC
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1
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2K
Ishuda
I
K
Vector problem , algebraic and trigonometric complications
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4
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2K
Kamhogo
K
M
Math DEF Coordinates Find E?
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6
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5K
Haymedoots
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H
Please help finding x: side lengths given for two right triangles
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1
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1K
Deleted member 4993
D
M
math questions please help
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1
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1K
Deleted member 4993
D
S
help with some plane geometry with finding the size of the angles and arcs.
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1
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912
stapel
stapel
C
Tennis Balls Problem
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2
Views
1K
stapel
stapel
V
f(x) = tanx - xcos3x, find f(-pi/3)
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1
Views
910
Deleted member 4993
D
N
Trig problem!! need urgent help
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2
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2K
stapel
stapel
T
In ABCD=trapeze, AB//CD and A=90 degrees,we know that 2AB=CD and AC⊥BD. AC/BD=?
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1
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1K
Deleted member 4993
D
A
Calculate the length of the cable
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1
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2K
Deleted member 4993
D
N
Given x obtuse & sin x = k, find in terms of k an expression for...
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1
Views
3K
pka
pka
J
Area of triangle ABC
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1
Views
1K
stapel
stapel
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Palne's parameters: 3D points that belong to a plane
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0
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919
kepler
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K
Best 3D plane fit to a set of points
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7
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3K
kepler
K
K
Best equation fit for an ellipse
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1
Views
1K
Ishuda
I
J
Force Vectors Problem - finding the smallest resultant force
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11
Views
35K
metaltaku
M
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