Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
4
finding the apothem, area, and perimeter of regular polygon
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4
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42K
stapel
stapel
M
Proving length of triangle (3D trig)
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8
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3K
Monkeyseat
M
J
Prove this identity
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3
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2K
soroban
S
D
Vector help: OA = a, OB = b, and APB is a straight line....
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1
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5K
morson
M
M
Can anyone help with a SAT practice problem?
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3
Views
2K
max
M
J
verifying identities: cotx/cscx - cscx/cotx = -tanxsinx
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2
Views
3K
soroban
S
A
Having trouble with the fundamental identities of trig.
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3
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2K
Al72579
A
G
Extra credit help
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5
Views
2K
Mrspi
M
C
identities: cosx/secx - cotx/tanx = cos^2x X tan^2x
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2
Views
2K
stapel
stapel
C
identities: sin^2/cosx = secx- cosx
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2
Views
2K
soroban
S
C
identities: 1/tanx = cotx/ sin^2x + cos^2x
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1
Views
2K
galactus
G
C
identities: 1/tanx = cotx/ sin^2x + cos^2x
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1
Views
2K
morson
M
J
Compound Angle problem
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7
Views
3K
jwpaine
J
G
Sine and Cosine Functions
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1
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2K
nezenic
N
M
trig. ...can you help?
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1
Views
2K
jwpaine
J
B
Working the quadratic formula backwards
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3
Views
7K
morson
M
G
Fano's Geometry
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2
Views
5K
Guest
G
S
Area of triangle - Area of trapezoid
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2
Views
2K
sang-gye
S
L
length of axis of ellipse: 3x^2 + 4y^2 = 12
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6
Views
5K
TchrWill
T
L
function f(x) = 3x^2 + 2x + 5: find value of f(0)
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2
Views
2K
stapel
stapel
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