Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
U
Hard Problem: sin ((2*pi*x)/23), sin ((pi*x)/14) and sin ((2*pi*x)/33)
Replies
3
Views
2K
stapel
stapel
C
Trigonometry Challenge - Please help me solve it!
Replies
3
Views
1K
stapel
stapel
V
Cartesian to Polar conversion matrix
Replies
1
Views
1K
tkhunny
tkhunny
Z
Determine an identity for cot 3θ.
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4
Views
8K
Deleted member 4993
D
D
Please help!! Very desperate!!!
Replies
1
Views
1K
mmm4444bot
mmm4444bot
S
Length of Arc
Replies
1
Views
914
tkhunny
tkhunny
M
Trigonometry problem
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2
Views
2K
mheg
M
D
Please Help me Solve 0-3+3cos(a/3)=-1/(sin(a/3)) * (9-a)
Replies
4
Views
3K
Danie
D
M
Circumference Q: "You have a wire that is 92 cm long. You wish to cut it into..."
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1
Views
2K
Deleted member 4993
D
F
Question about forming an equation to calculate area of rectangle
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2
Views
4K
frank.
F
B
Reducing all degrees down to "out of 360"
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1
Views
1K
tkhunny
tkhunny
T
Rotate an off-centred position to always be centred
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5
Views
2K
turbine
T
F
Help with finding a missing angle
Replies
2
Views
3K
frank.
F
E
Apollonian circles, but then harder
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3
Views
2K
tkhunny
tkhunny
J
Coordinate geometry problem
Replies
0
Views
1K
jimmyjunk19
J
K
Stuck with my year 12 Logarithmic and Exponential Functions Assignment
Replies
6
Views
3K
JeffM
J
S
Cannot solve 3D trigonometry question
Replies
4
Views
3K
mmm4444bot
mmm4444bot
A
parametric plot: make y(x) plot when x = 6-3t^2 and y = 4t^2
Replies
2
Views
2K
stapel
stapel
Z
The Terminal arm of angle θ passes through the point (a,b) in quadrant 1.
Replies
4
Views
14K
stapel
stapel
S
Measuring film: find the roll length of used roll using ruler to measure its radius
Replies
2
Views
3K
stapel
stapel
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