Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
D
Resultant Force Problem
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2
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2K
dear_miss_katie
D
S
Area of shaded region?
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2
Views
2K
TchrWill
T
V
Periodic Functions (sinusoidal (gr.11))
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5
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2K
skeeter
skeeter
L
Tangent intersection vs. radius?
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2
Views
2K
Deleted member 4993
D
K
application: length of cylinder of Archimedean screw, if....
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1
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3K
Loren
L
D
write expression sin(3x) cos(2x) as a sum or difference
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2
Views
5K
soroban
S
D
amplitude, period, and phase shift of f(x) = 7sin(3pix + 2)
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7
Views
4K
tkhunny
tkhunny
D
If cos(x) = -1/2 and pi/2 < x < pi, find sin[x + pi/4]
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1
Views
1K
tkhunny
tkhunny
D
Help solving a Pythagorean theorem problem
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1
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1K
skeeter
skeeter
A
A large ferry is moving at a speed of 11 miles per hour sout
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4
Views
2K
tkhunny
tkhunny
F
find the radius
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5
Views
6K
flipflopchic
F
A
Convert the Following to Polar Coordinates
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1
Views
1K
pka
pka
F
area of an annulus
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9
Views
2K
flipflopchic
F
S
angles of four panels in 3D
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4
Views
1K
slowaero
S
M
Harmonic Motion
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1
Views
1K
masters
M
A
What is the exact value of Sine-145pi/3?
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2
Views
1K
Deleted member 4993
D
R
Triangulation of a location
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5
Views
2K
reggie
R
C
sine of an angle: If sin(A) = 1/2, what is measure of A?
Replies
7
Views
12K
masters
M
P
Help with slopes and cooridinates (trapezoid midsegment)
Replies
4
Views
7K
stapel
stapel
J
(-4 cos x sin x + 2cos 2x)^2 + (2 cos 2x + 4 sin x cos x)^2
Replies
4
Views
4K
jonboy
J
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