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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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Quadrants: Determine the quadrant(s) in which (x, y) is loca
Guest
Oct 6, 2006
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2
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16K
Oct 6, 2006
Guest
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O
Circular trig. function: 1-cos^2(arcsin(sin(x-pi/2)))
OhMrsDarcy
Oct 5, 2006
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3
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2K
Oct 6, 2006
OhMrsDarcy
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[MOVED] Suppose cos(x +y) = 1/4 and cos x cos y = 5/24,
REGINA
Sep 28, 2006
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3
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1K
Oct 6, 2006
soroban
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finding the measure of vertical angles
maryschweich
Oct 5, 2006
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4
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1K
Oct 6, 2006
tkhunny
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2sin^2(x) - 1 = 0: solve for 0 <= x <= 2pi
Timothy
Oct 5, 2006
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1
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12K
Oct 5, 2006
royhaas
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F
[MOVED] Suppose cos(x+y) = 1/4 and cos x cos y = 5/24.
FMMurphy
Sep 28, 2006
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2
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2K
Oct 5, 2006
i'madodo
I
D
Latest Lenny Conundrum (Round 186)
dremcomtru
Oct 5, 2006
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1
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1K
Oct 5, 2006
stapel
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2sin^2x - 5sinx + 3 < 0
tdotgirl
Oct 4, 2006
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1
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6K
Oct 4, 2006
skeeter
H
image 2
humakhan
Oct 2, 2006
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11
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3K
Oct 4, 2006
stapel
T
1/(secx + tanx) + 1/(secx-tanx) = 2secx
tdotgirl
Oct 4, 2006
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2
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8K
Oct 4, 2006
tdotgirl
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T
2 sin3x - 1 = 0
tdotgirl
Oct 4, 2006
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2
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6K
Oct 4, 2006
tdotgirl
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M
Is this identity problem right?
Marc
Oct 3, 2006
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1
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870
Oct 3, 2006
tkhunny
Y
Confusing Triangle...
yahooloverofhorses
Oct 3, 2006
Replies
1
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1K
Oct 3, 2006
yahooloverofhorses
Y
N
proof and logic: If today is Friday, then today is the last
nightwolf
Oct 3, 2006
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1
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948
Oct 3, 2006
Denis
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Displacement of y=4+2sin(4+pi/2)
Timothy
Oct 2, 2006
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5
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2K
Oct 3, 2006
Timothy
T
H
IMAGE
humakhan
Oct 2, 2006
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7
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2K
Oct 3, 2006
stapel
T
Law of Sines/Cosines: A hill is inclined 5 degrees to the
Tigertigre2000
Oct 2, 2006
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2
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3K
Oct 3, 2006
daon
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K
Trig Story problem: A survey team is trying to estimate the
killasnake
Oct 2, 2006
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1
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9K
Oct 3, 2006
arthur ohlsten
A
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Measuring Triangles
yahooloverofhorses
Oct 2, 2006
Replies
1
Views
953
Oct 2, 2006
stapel
H
simplify 3 - sqrt2 / 4 + 2 sqrt2
humakhan
Oct 2, 2006
Replies
6
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3K
Oct 2, 2006
humakhan
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