Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
C
Problem using triangular inequality
2
Replies
36
Views
2K
CarlosP
C
P
Find exact value of Trig function using Angle Addition or Subtraction
Replies
3
Views
554
programmerBlack
P
N
Calculate time from the equation with sin and cos
Replies
12
Views
1K
Dr.Peterson
Dr.Peterson
O
Back-tracking tessellations
Replies
2
Views
630
Dr.Peterson
Dr.Peterson
A
Area of inner square problem
Replies
16
Views
2K
lev888
lev888
K
Simplify into Double Angle Formula
Replies
8
Views
939
KatieJM
K
C
Reflexion problem. Can't Solve
Replies
18
Views
1K
CarlosP
C
A
Can't understand what I have stumbled upon
Replies
7
Views
902
JeffM
J
A
If π/4 ≤ α < β ≤ π , which one is correct?
Replies
3
Views
1K
JeffM
J
L
ib trig question!!! HELP NEEDED!!! THANK YOU!!
Replies
5
Views
691
luciaaa
L
J
Special Right Triangles
Replies
3
Views
715
Otis
Otis
Y
Similarity of Triangles
Replies
1
Views
448
Dr.Peterson
Dr.Peterson
I
GMAT question 151
Replies
10
Views
1K
JeffM
J
I
GMAT question 146
2
Replies
33
Views
2K
ironsheep
I
shahar
tangent
Replies
5
Views
803
Dr.Peterson
Dr.Peterson
A
Why Plane in Geometry looks like "Triangle Shape"?
Replies
2
Views
475
pka
pka
R
parametric equations for hyperbola
Replies
0
Views
420
ranel
R
M
URGENT NEED OF HELP
Replies
7
Views
1K
riteshkumarmanjwani
R
U
Solving trig equations
Replies
9
Views
651
mmm4444bot
mmm4444bot
O
Two equations in two unknowns with trig functions
Replies
3
Views
627
oldcodger
O
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