Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
Linearization formulas: cos p +cos q =2cos(p+q/2)*cos(p-q/2)
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2
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7K
Aladdin
A
S
Sinusoidal Word Problems
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2
Views
18K
mmm4444bot
mmm4444bot
T
use law of syllogism to determine conclusion from statements
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1
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2K
Mrspi
M
T
equation for line through (4, 4), perp. to 2x + y = 7
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1
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2K
Loren
L
T
circle need more help please
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1
Views
981
Loren
L
T
what is equation of horizontal line through (-2, -3)?
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1
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1K
Loren
L
D
rectangular steel plate measures 4.79 in. by 8.07 in. by....
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2
Views
1K
stapel
stapel
A
concentric circles with radii, outside and inside areas
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4
Views
2K
TchrWill
T
N
central angle of circle
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4
Views
1K
nickname
N
N
width of river
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1
Views
995
mmm4444bot
mmm4444bot
C
Geometry/Trig
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2
Views
1K
DrMike
D
M
tan 45 = 1, show that tan 22.5 = (sqrt. 2) - 1
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2
Views
4K
Monkeyseat
M
R
Measure of Medians
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2
Views
2K
Mrspi
M
R
Geometry Proof
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1
Views
1K
Deleted member 4993
D
R
Quadirlateral ABCD is a rectangle find the value of x
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2
Views
5K
Loren
L
A
Linearization formulas:
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3
Views
2K
Aladdin
A
M
finding the length of a side of a pentagon
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4
Views
2K
stapel
stapel
J
Finding the Area of a Cylinder
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6
Views
2K
jumpingmaniac
J
B
How do I find the area of and irregular polygon?
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3
Views
1K
stapel
stapel
V
Word problem on ellipses
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3
Views
13K
soroban
S
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