Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
G
Friction Question (Maybe more physics than trig)
Replies
6
Views
2K
Deleted member 4993
D
N
graphs
Replies
2
Views
1K
stapel
stapel
D
1 small Geometry problem: find length of side DP
Replies
3
Views
1K
Denis
D
R
Trig: find reference angles for (7pi) / 6 and (17pi) / 4
Replies
1
Views
8K
fasteddie65
F
V
Verifying Trig Identities: 1-Sin^2 Theta/1-cos Theta=-cos th
Replies
4
Views
26K
soroban
S
N
What is the pathagorian therom?
Replies
2
Views
3K
Denis
D
I
Geometry Help Please!
Replies
2
Views
1K
Denis
D
K
Finding the measurement of a arc in a circle
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2
Views
1K
K‡rbyroth
K
B
solve sin3x=(sinx)(3-4sin^2x) the whole way through please
Replies
7
Views
4K
bballbink
B
M
Desperate help needed with trig
Replies
1
Views
1K
Deleted member 4993
D
B
solve in intervel (0-2pie)
Replies
4
Views
1K
Loren
L
B
prove sin3x=(sinx)(3-4sin^2x), solve sin3x=0, prove csc(x-y)
Replies
7
Views
8K
Deleted member 4993
D
C
Finding out degrees when solving trig equations
Replies
3
Views
1K
fasteddie65
F
B
solve this proof: sin(x)^2 cot(x)^2= (1-sinx)(1+sinx)
Replies
2
Views
1K
bballbink
B
K
Surface area of half of sphere with r=10 (can't get answer)
Replies
5
Views
2K
Denis
D
H
Problem of Squares
Replies
2
Views
2K
soroban
S
C
how do i solve (1/sin[theta]+1)+(1/csc[theta]+1)=1 ?
Replies
1
Views
1K
soroban
S
G
Given sin(u)=3/5, sin(v)=4/5, u and v between 0 and pi/2,
Replies
1
Views
4K
soroban
S
S
Geometry
Replies
1
Views
917
Denis
D
S
Prove (cosx+cos4x+cos7x) / (sinx+sin4x+sin7x) = cot4x
Replies
1
Views
4K
royhaas
R
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