Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
O
Basic Bisector Problem That Makes Me Crazy
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5
Views
1K
Ozanemreist
O
I
if e gets in power of (tetta*i) makes a rotating circle in complex plan
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2
Views
2K
im alex
I
B
Trig Cosine Word Problem (temperature of a chemical reaction oscillates between...)
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1
Views
1K
mmm4444bot
mmm4444bot
C
Coordinates of D: A(-2,2), B(4,4) and C(5,2) are the vertices of a triangle...
Replies
4
Views
3K
mmm4444bot
mmm4444bot
F
Rewrite csc(θ-45°) as an equivalent value using its cofunction.
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1
Views
1K
ksdhart2
K
M
Calc Area of an Irregular Decagon
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3
Views
1K
tkhunny
tkhunny
O
triangle and trapezoid problem
Replies
1
Views
838
tkhunny
tkhunny
S
General formula for multiplying a matrix by a power
Replies
9
Views
2K
sktsasus
S
S
Sin Cos Tan??
Replies
4
Views
3K
frank789
F
P
Verifying Properties of Triangles
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2
Views
3K
stapel
stapel
T
Length of the diagonal of an irregular Quadrilateral, knowing 4 sides and a diagonal
Replies
2
Views
2K
tkhunny
tkhunny
C
Trig radians: sec (2z-pi/6)=2 for 0<z <pi radians
Replies
7
Views
3K
mmm4444bot
mmm4444bot
Z
How do I prove these two triangles are similar ?
Replies
3
Views
1K
lookagain
L
M
Finding a point on a line (from drawing of house on hill)
Replies
10
Views
3K
mmm4444bot
mmm4444bot
C
Positive values for A, phi for which 5coswt = Acos(wt-H/6) + 5cos(wt+p) holds
Replies
0
Views
1K
chudy701
C
N
Wrap angle and Length
Replies
2
Views
977
nashbaker
N
T
Pulley sizes with fixed belt length
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2
Views
1K
tkhunny
tkhunny
M
Spheres inside a cylinder
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3
Views
14K
mathsupanova
M
K
Problem with sin in a question: "Find all real numbers x such that sin(x) =√3/2"
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1
Views
1K
stapel
stapel
L
Greatest area of a Quadrilateral, given constant diagonal length 10 inches
Replies
4
Views
2K
stapel
stapel
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