Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Mapping line y=x finding the angle?
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5
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2K
Electrical
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Difference between standard forms of parabolas
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3
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1K
Nikolas111
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Need some help understanding unit vector equation please!
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1
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1K
HallsofIvy
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Find X: If AB = CD, BC = AB - 2, and DE = 7, find AB.
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1
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1K
Deleted member 4993
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Relationship between the angles of two triangles (College level)
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3
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1K
cougartracks4
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Trying to find the measure of all arc
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2
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979
lovealgebranotgeometry
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Super tricky vectors Q: OA=4a, OB=4b; N div. AB in ratio 3:1; M,N,R & O,B,R collinear
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2
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1K
MathsWizard
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A person starts at Camp 1 and walks 4km..... (one of these types of questions)
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4
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2K
HallsofIvy
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B
Need to find adj. side b: hyp. c = 120, angle opp. side a is 30*
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1
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2K
mmm4444bot
mmm4444bot
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Roots of unity: solving z^5 = 1
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3
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4K
mmm4444bot
mmm4444bot
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Vectors: defensive missile battery launches a ground to air missile...
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0
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966
APK911
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Angle from two vectors and Atan2 (objects approaching each other)
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1
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3K
Ishuda
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Problem with Atan2
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4
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3K
Tull
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Finding sin(u) and cos(u) from tanu = 3/4
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1
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2K
Deleted member 4993
D
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trigonometry (symmetry arguments and trig identities)
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2
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2K
Deleted member 4993
D
R
Triangle inequality: 9R^2 >= a^2+b^2+c^2+(a-b)^2+(b-c)^2+(c-a)^2
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2
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2K
HallsofIvy
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Conjecture of similar rectangles triangles
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2
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1K
stapel
stapel
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Triangles without Infinite decimals
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2
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2K
stapel
stapel
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Outdoor kitchen measurements!
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2
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949
stapel
stapel
B
Given Tangent Line, Find Circle Radius: XY tangent to circle O. If OZ = ZX, XY=6,...
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6
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3K
Deleted member 4993
D
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