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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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basic infinite series
logistic_guy
Dec 21, 2024
2
Replies
32
Views
22K
Dec 28, 2024
logistic_guy
hypothesis
logistic_guy
Dec 23, 2024
Replies
2
Views
16K
Dec 28, 2024
logistic_guy
centroid
logistic_guy
Dec 23, 2024
Replies
5
Views
14K
Dec 26, 2024
logistic_guy
hollow circular shaft
logistic_guy
Dec 21, 2024
2
Replies
26
Views
18K
Dec 26, 2024
logistic_guy
complex infinite series
logistic_guy
Dec 23, 2024
Replies
17
Views
16K
Dec 25, 2024
logistic_guy
swimming pool
logistic_guy
Dec 23, 2024
Replies
6
Views
14K
Dec 25, 2024
logistic_guy
ring
logistic_guy
Dec 23, 2024
Replies
8
Views
14K
Dec 24, 2024
logistic_guy
Bernoulli energy equation
logistic_guy
Dec 21, 2024
Replies
4
Views
13K
Dec 23, 2024
logistic_guy
very difficult geometry
logistic_guy
Dec 21, 2024
Replies
9
Views
14K
Dec 23, 2024
logistic_guy
complicated triangle
logistic_guy
Dec 23, 2024
Replies
2
Views
12K
Dec 23, 2024
logistic_guy
simple integration
logistic_guy
Dec 21, 2024
2
Replies
21
Views
14K
Dec 23, 2024
logistic_guy
cyclopropane
logistic_guy
Dec 23, 2024
Replies
0
Views
10K
Dec 23, 2024
logistic_guy
3x3 system
logistic_guy
Dec 20, 2024
Replies
5
Views
10K
Dec 20, 2024
topsquark
homogeneous differential equations
logistic_guy
Dec 19, 2024
Replies
1
Views
8K
Dec 19, 2024
topsquark
circle
shahar
Nov 28, 2024
Replies
13
Views
6K
Nov 29, 2024
Aion
A
S
geometry problem
stephanson12
Oct 26, 2024
Replies
11
Views
9K
Nov 28, 2024
Aion
A
A
Express
c
o
s
(
α
2
)
cos(\frac{\alpha}{2})
c
o
s
(
2
α
)
and
s
i
n
(
α
2
)
sin(\frac{\alpha}{2})
s
i
n
(
2
α
)
in terms of
s
i
n
(
α
)
sin(\alpha)
s
i
n
(
α
)
Aion
Nov 17, 2024
Replies
9
Views
2K
Nov 18, 2024
mario99
M
S
Proving Trigonometric Functions
Stardust1
Nov 14, 2024
Replies
7
Views
2K
Nov 15, 2024
lookagain
L
E
Brain teaser
elioruzan
Oct 21, 2024
Replies
15
Views
8K
Oct 23, 2024
fresh_42
F
S
Geometry problem (nine-point circle?)
stephanson12
Oct 17, 2024
Replies
2
Views
6K
Oct 17, 2024
stephanson12
S
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