Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
3
irrational number and the diagonal of a square
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1
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6K
Deleted member 4993
D
J
Difficulty with an ellipse problem
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1
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1K
soroban
S
C
perimeter and area help!
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5
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2K
Deleted member 4993
D
M
foci applictions
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1
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1K
Deleted member 4993
D
B
pentagon coordinates
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5
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9K
galactus
G
M
Proof: opp. angles/sides of parallelogram congruent
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1
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2K
Deleted member 4993
D
R
Find the cube roots of -64i in 'a + bi' form
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2
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4K
Deleted member 4993
D
S
( sec^2(x) + csc^2(x) ) - ( tan^2(x) - cot^2(x) )
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2
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2K
galactus
G
S
Modeling a Guitar Note
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2
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2K
Slipery
S
M
Largest # of Identical Pieces
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2
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1K
Mustang1910
M
K
planes 2x + 3y - z = 2, 3x - 3y + z = 4, x - y + 2z = 5
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3
Views
2K
soroban
S
K
hypotenuse 4 times length of perp.: find acute angle
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2
Views
3K
stapel
stapel
A
Change of Velocity
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2
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2K
TchrWill
T
C
Trig: tan2x=(-24/7), find sinx and cosx
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1
Views
3K
stapel
stapel
J
Evaluate each expression
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2
Views
5K
nycfunction
N
C
Trig: solve (cosx)^2 - 2sinxcosx - (sinx)^2 = 0 on [0,2pi]
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8
Views
11K
pka
pka
S
another construction
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2
Views
1K
Deleted member 4993
D
S
center of a circle: prove construction is correct
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3
Views
3K
soccerisgreat
S
S
triangle proof: Show that a = b cosC + c cosB
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5
Views
8K
Deleted member 4993
D
M
Length of Tangents to Circles: root of h^2+k^2+2hf+2gk+c
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9
Views
3K
Deleted member 4993
D
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