Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
S
Choice of Rcos(A+-B) or Rsin(A+-B)
Replies
10
Views
2K
Dr.Peterson
Dr.Peterson
S
crack this tan "monster"
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2
Views
912
stanko
S
G
calculus and algebra Circles
Replies
3
Views
871
jonah2.0
jonah2.0
T
Finding a general formula that calculates the area of any n-point star enclosed in a r radius circle (example below)
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1
Views
972
Dr.Peterson
Dr.Peterson
N
Problem with Verifying Trig Identity
Replies
6
Views
1K
Deleted member 4993
D
shahar
square and rectangle
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3
Views
2K
Dr.Peterson
Dr.Peterson
S
Intersection of 2 circles
Replies
3
Views
1K
Skelly4444
S
M
Similarity Problem
Replies
4
Views
1K
mathisfunny
M
P
Need help on this trig question. I am having trouble finding the height of the lighthouse.
Replies
1
Views
2K
Dr.Peterson
Dr.Peterson
A
Can u please help me in finding the image of a point wrt line in 2d space using a intuitive method?
Replies
4
Views
1K
Abhi1
A
L
Functions problem
Replies
9
Views
1K
Loki123
L
L
Inequality
Replies
6
Views
1K
Loki123
L
P
Differentiation Question
Replies
2
Views
792
BeachBanana
BeachBanana
O
I am having trouble with this trig question. I'm not sure why I'm given 3 sides.
Replies
7
Views
1K
Otis
Otis
I
Trying to find interior of polygon with only sides and diagonals
Replies
4
Views
997
I need he1p
I
M
Calculate the length of sides x and y
Replies
2
Views
841
MatixCraft
M
W
If 2+X=9, then X=7
Replies
1
Views
880
Deleted member 4993
D
L
Arccos problems
Replies
3
Views
1K
Deleted member 4993
D
A
find X Angle
Replies
4
Views
1K
Deleted member 4993
D
L
Word problem
Replies
3
Views
923
Deleted member 4993
D
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