Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
Derivative of a sine function
Replies
2
Views
679
HallsofIvy
H
S
truncated icosahedron and sphere
Replies
2
Views
2K
Stewart17
S
P
Prove that theta angle = 90 degrees
Replies
5
Views
1K
petarantes
P
K
Angles of Elevation/Depression
Replies
10
Views
1K
HallsofIvy
H
M
  • Poll
Analytical Geometry
Replies
2
Views
618
Steven G
Steven G
K
finding angle of elevation and depressin
Replies
2
Views
781
Steven G
Steven G
B
Find area of green sections- please help!!
Replies
2
Views
571
Dr.Peterson
Dr.Peterson
M
Sketch 2 cycles of the function. Plot and label at least 5 points.
Replies
8
Views
2K
Deleted member 4993
D
R
Convert decimal into a square root number
Replies
15
Views
27K
Dr.Peterson
Dr.Peterson
D
Law of sines
Replies
4
Views
811
Steven G
Steven G
E
How to measure shape proportion
Replies
3
Views
891
lev888
lev888
S
Trouble finding area of an irregular pentagon using trig functions
Replies
1
Views
645
Dr.Peterson
Dr.Peterson
B
Arcs and chords
Replies
6
Views
871
civic00sdz
C
A
where did this come from.
2
Replies
22
Views
2K
allegansveritatem
A
M
Trigonometry problem
Replies
2
Views
607
MarkFL
MarkFL
M
Trigonometric Identities
Replies
2
Views
672
MEBC01
M
D
Trigonometric Inequality-Stuck in the end
Replies
10
Views
1K
Cubist
Cubist
K
help with right angle problem
Replies
9
Views
1K
Steven G
Steven G
G
Rotate Vector around (0,0,0) so the another vector looks it's rotated in specific way
Replies
2
Views
844
ggenije
G
N
Help describing polytopes
Replies
0
Views
451
nosobbe
N
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