Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
K
keplers 3rd law
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8
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6K
KevinE
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P
Using trig to measure heritage trees (tricky)
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2
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1K
Ishuda
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G
How do I prove this seemingly simple trigonometric identity?
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0
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1K
Ganesh Ujwal
G
M
Given a tetrahedron ABCD, where <) ACB = <) ADB = 90◦
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0
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2K
mark10245
M
C
Simple Domain Question
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2
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1K
Ishuda
I
T
Proof with an isosceles triangle
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1
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2K
stapel
stapel
K
Geometrical significance of constant c in general equation of circle
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1
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1K
Deleted member 4993
D
R
how to find next cordinates of x and y axis if given two points
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1
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1K
wjm11
W
M
solving trigonometry with algegra
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2
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2K
stapel
stapel
Z
Stuck on a few Transformations questions.
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2
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2K
Zxyxz
Z
U
csc(x+(3pi)/2)= -sec(x) How do I verify this?
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1
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2K
Ishuda
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P
Polygon problem
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4
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2K
peterhitter
P
K
Finding Sin and Cot
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2
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2K
HallsofIvy
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A
GRE Trig Question
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1
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2K
HallsofIvy
H
M
Trig problem!
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1
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1K
stapel
stapel
C
Vector Simplification
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5
Views
2K
pka
pka
M
College Trigonometry: Suppose that 90 < x < 180 and tan2(x) = -1/3
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8
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3K
misty_falls
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P
If sinx=1/5 and x is an acute angle, then sin(pi/3+x) is?
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2
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2K
stapel
stapel
P
Problems-III: solve 7csc(x)cot(x) - 9cot(x) = 0 for x in [0, 2pi)
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2
Views
1K
stapel
stapel
P
Problems-II: exact value of cos(u/2) when 3pi < u < 7pi/2 and tan(u) = sqrt[5]/2
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2
Views
2K
stapel
stapel
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