Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
P
Simplify ( sin(x) - x* cos(x))*( cos(x) + x*sin(x))
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2
Views
1K
prosebiu
P
R
Need to find approximate area of Earth using angular distance?
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5
Views
802
Dr.Peterson
Dr.Peterson
A
problem with double arctan
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11
Views
2K
allegansveritatem
A
harpazo
Verify Trigonometric Identity
Replies
8
Views
2K
harpazo
harpazo
harpazo
Find Asymptote of Cosine Functions
Replies
15
Views
2K
harpazo
harpazo
K
pre calculus trig help! (sin2x)
Replies
2
Views
603
Dr.Peterson
Dr.Peterson
harpazo
Composition of Trig Functions
Replies
10
Views
1K
harpazo
harpazo
A
Parallelogram
Replies
8
Views
2K
Amicci
A
Y
Composition/Reflection Problem
Replies
6
Views
1K
YummyNoodles
Y
harpazo
Asymptote of Tangent Function
Replies
11
Views
2K
harpazo
harpazo
S
Explain why equation is not an ellipse
Replies
3
Views
669
Steven G
Steven G
S
cyclic quadrilateral
Replies
2
Views
586
Dr.Peterson
Dr.Peterson
A
Geometry: Need help in above problem
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5
Views
910
amolpatil7148
A
W
Geometry; Circle Puzzle
Replies
1
Views
2K
raquelc
R
harpazo
Find Periodic Function
Replies
15
Views
2K
harpazo
harpazo
harpazo
Asymptotes of tan (x)
Replies
12
Views
3K
harpazo
harpazo
J
Quick question - isosceles triangle
Replies
7
Views
2K
pka
pka
harpazo
Symmetric About the Origin
Replies
4
Views
1K
harpazo
harpazo
harpazo
Voltage of Electrical Outlet
Replies
6
Views
1K
harpazo
harpazo
harpazo
Trigonometric Equation
2 3
Replies
40
Views
6K
harpazo
harpazo
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