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Free Math Help
Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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cscx-sinx=(cotx)(cosx) ... and more of those
LaurenCampbell
Jun 8, 2006
Replies
1
Views
2K
Jun 8, 2006
stapel
G
trig expression for every angle coterminal to s
Guest
Jun 8, 2006
Replies
3
Views
4K
Jun 8, 2006
stapel
T
Area of a Triangle Formula: inradius & semiperimeter
Trenters4325
Jun 7, 2006
Replies
10
Views
45K
Jun 8, 2006
TchrWill
T
G
sum/difference identity for finding exact value of tan(-75°)
Guest
Jun 8, 2006
Replies
3
Views
14K
Jun 8, 2006
soroban
S
C
Suppose angles 1 and 2 are vertical. What is the value of...
Cinnamon
Jun 8, 2006
Replies
3
Views
3K
Jun 8, 2006
soroban
S
C
I need help with finding line equations, showing tri. prop's
Cinnamon
Jun 8, 2006
Replies
2
Views
2K
Jun 8, 2006
jacket81
J
T
Equation of a Plane: determine plane with three points?
Trenters4325
Jun 7, 2006
Replies
1
Views
2K
Jun 8, 2006
galactus
G
R
Help solving sin2x = cos2x between 0 and 2pi
RadMad
Jun 7, 2006
Replies
5
Views
20K
Jun 8, 2006
RadMad
R
G
bearing problem: find distances, given bearings, etc.
Guest
Jun 5, 2006
Replies
5
Views
15K
Jun 7, 2006
galactus
G
G
log base r index:3 square root of m^2 * r^5 /p
Guest
Jun 6, 2006
Replies
2
Views
2K
Jun 6, 2006
soroban
S
M
Adjacent & opposite sides of a triangle...?
mikexz
Jun 6, 2006
Replies
1
Views
2K
Jun 6, 2006
pka
G
Finding reference angles, etc.
Guest
Jun 5, 2006
Replies
4
Views
2K
Jun 6, 2006
Guest
G
M
Help with proofs!!! Please!!!
mmmPi
Jun 5, 2006
Replies
2
Views
2K
Jun 5, 2006
Sid
S
S
RPM of a Lawnmower, given radius, speed of blade
Sid
Jun 5, 2006
Replies
3
Views
2K
Jun 5, 2006
stapel
L
Matrix Eliminations to find intersections of planes
lunabee
Jun 1, 2006
Replies
4
Views
2K
Jun 5, 2006
stapel
O
finding surface area of square pyramid, given height, volume
ocgirl
Jun 4, 2006
Replies
2
Views
5K
Jun 4, 2006
soroban
S
O
help finding surface area of triangular prism (tent)
ocgirl
Jun 4, 2006
Replies
2
Views
17K
Jun 4, 2006
soroban
S
T
Proofs with two circles: prove XY is perp. bisector of PQ
tristanpilcher
Jun 4, 2006
Replies
1
Views
2K
Jun 4, 2006
galactus
G
S
(cot x / cos x) + (sec x / cot x) = csc x * sec^2 x
screambloodygore
Jun 3, 2006
Replies
5
Views
3K
Jun 3, 2006
screambloodygore
S
S
need to find radius of cylinder, given height, surface area
sparky14761
Jun 3, 2006
Replies
1
Views
41K
Jun 3, 2006
soroban
S
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