Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Bearing equation (closest approach to landmark along road)
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2
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2K
soroban
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Q
Solving trig equation: (sinx)^2=sinxcosx, on [0, 2pi)
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10
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4K
tkhunny
tkhunny
C
Trig help!!! sin3xsinx=1/2(cos2x-cos4x)
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6
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10K
clementine
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S
Need help with question: linear eqn & homogenous soln
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4
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3K
sigma
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L
help! (vertex of a perabola)
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3
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2K
stapel
stapel
T
WLOG and AM-GM: what does 'WLOG' mean?
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2
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2K
galactus
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G
Help with trig problem: exact value of cos^-1(cos(4pi/3))
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1
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10K
pka
pka
M
need help with trig/geometry: is chat available?
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8
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4K
Denis
D
D
Co-ordinate geometry: find radius of circle, and....
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7
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3K
davidg
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T
Volume of a Tetrahedrom
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7
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2K
Denis
D
M
Inverse Tangent???
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5
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2K
skeeter
skeeter
M
angle of elevation: A golf ball sits 2 m from the hole....
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7
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3K
galactus
G
T
Not So Simple Harmonic Motion
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3
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2K
skeeter
skeeter
J
finding the equation of a locus: P is always half as far....
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2
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2K
soroban
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J
What am I doing wrong? (finding the equation of a locus)
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7
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2K
Joyce
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T
1 in terms of the other
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3
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2K
wjm11
W
G
A particle moves in a straight line...
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1
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2K
wjm11
W
M
AIME 2004, #10: prob. that circle does not meet diagonal
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4
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2K
pka
pka
F
Precalc: find a^3 when a = 8(cos(7pi/12) + i*sin(7pi/12))
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4
Views
3K
fraiha
F
T
Conics - which is which? 9x^2 - 4y^2 = -144
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7
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3K
stapel
stapel
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