Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
G
Sine and Cosine Functions
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1
Views
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
8K
morson
M
G
Fano's Geometry
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2
Views
6K
Guest
G
S
Area of triangle - Area of trapezoid
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2
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2K
sang-gye
S
L
length of axis of ellipse: 3x^2 + 4y^2 = 12
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6
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6K
TchrWill
T
L
function f(x) = 3x^2 + 2x + 5: find value of f(0)
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2
Views
2K
stapel
stapel
L
equation of parabola w/ vertex (0, 0) and focus (0, 2)
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1
Views
3K
stapel
stapel
K
Alg. II and Trig Questions
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3
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2K
soroban
S
K
For (1+tanx)/((1+tan^2x)(cosx)) = Asinx+Bcosx, find A+B
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1
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2K
tkhunny
tkhunny
L
derive the identity cos^2(A) + 1 = csc^2(A)
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1
Views
2K
galactus
G
D
[MOVED] reference angles, evaluating trig fcns, etc
Replies
7
Views
3K
tkhunny
tkhunny
C
Need help w/ proving identities, factoring, etc.
Replies
7
Views
3K
tkhunny
tkhunny
J
prove that 1/(sec(x)-tan(x)) = csc(x)-sin(x)
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10
Views
6K
pka
pka
T
Function help needed!!!
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6
Views
2K
Trig ace
T
Y
I don't remember how to write a proof.
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2
Views
2K
yellorose87
Y
G
help needed on triangle problem!
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2
Views
2K
Denis
D
J
Proving this trig equation
Replies
5
Views
2K
galactus
G
T
Hyperbola's vertics? and parabola's orientation
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1
Views
2K
stapel
stapel
V
Verification: Water Discharge (Volume) Problem
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2
Views
2K
Vertciel
V
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