Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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f(x) = tanx - xcos3x, find f(-pi/3)
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1
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919
Deleted member 4993
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Trig problem!! need urgent help
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2
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2K
stapel
stapel
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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
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3K
pka
pka
J
Area of triangle ABC
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1
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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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931
kepler
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Best 3D plane fit to a set of points
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7
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4K
kepler
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K
Best equation fit for an ellipse
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1
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1K
Ishuda
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Force Vectors Problem - finding the smallest resultant force
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11
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35K
metaltaku
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J
If circle's center is at (0,0) and d = 6, then which point lies on circle?
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3
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2K
stapel
stapel
C
what is the general equation for x^2 + (y - 7)^2 = 49 ?
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2
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1K
stapel
stapel
P
Stuck on Finding the Remaining Trig Functions if sec theta = 2x.
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1
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2K
Deleted member 4993
D
P
a*cos(180*deg - beta) + b*sin(gamma-(beta-90*deg) = d
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5
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2K
stapel
stapel
J
Wheel + Tire Trig Question
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4
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5K
Steven G
Steven G
A
Solving for an endpoint on a directed segment without midpoint given
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5
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3K
Deleted member 4993
D
M
Cross section cylinder calculations
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3
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2K
martik777
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J
Solve for ellipse from points with normals
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1
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1K
jj5406
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A
Find an equation of the line parallel to the line y = 2x - 3 passing...
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5
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3K
pka
pka
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Plz explain reference angle and help solve this problem
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6
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3K
ksdhart
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