Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Transversals: Line AB and Line CD intersect at E. If m<AE
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1
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3K
arthur ohlsten
A
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Inference regarding the points the points (2, 1), (-3, 5) an
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3
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2K
Guest
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G
distance and midpoint for (-1/3, -1/3) and (-1/6, -1/2)
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9
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2K
Guest
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G
Quadrants: Determine the quadrant(s) in which (x, y) is loca
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2
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17K
Guest
G
O
Circular trig. function: 1-cos^2(arcsin(sin(x-pi/2)))
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3
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2K
OhMrsDarcy
O
R
[MOVED] Suppose cos(x +y) = 1/4 and cos x cos y = 5/24,
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3
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2K
soroban
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M
finding the measure of vertical angles
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4
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2K
tkhunny
tkhunny
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2sin^2(x) - 1 = 0: solve for 0 <= x <= 2pi
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1
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12K
royhaas
R
F
[MOVED] Suppose cos(x+y) = 1/4 and cos x cos y = 5/24.
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2
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2K
i'madodo
I
D
Latest Lenny Conundrum (Round 186)
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1
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1K
stapel
stapel
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2sin^2x - 5sinx + 3 < 0
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1
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7K
skeeter
skeeter
H
image 2
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11
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3K
stapel
stapel
T
1/(secx + tanx) + 1/(secx-tanx) = 2secx
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2
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10K
tdotgirl
T
T
2 sin3x - 1 = 0
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2
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6K
tdotgirl
T
M
Is this identity problem right?
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1
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1K
tkhunny
tkhunny
Y
Confusing Triangle...
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1
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2K
yahooloverofhorses
Y
N
proof and logic: If today is Friday, then today is the last
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1
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1K
Denis
D
T
Displacement of y=4+2sin(4+pi/2)
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5
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3K
Timothy
T
H
IMAGE
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7
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2K
stapel
stapel
T
Law of Sines/Cosines: A hill is inclined 5 degrees to the
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2
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6K
daon
D
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