Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
C
Proof: Given: Segment PA is congruent to Segment KA and Segment LA is congruent to...
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2
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1K
pka
pka
A
Show that cotθ = (sqrt(1 - x^2))/x please help
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3
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3K
alex1234
A
E
Real World Vector and Trig Issue
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5
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2K
HallsofIvy
H
T
"Bearing" question - finding distance between two objects
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1
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2K
Deleted member 4993
D
J
Ampitude of a wave: f(t)= cos(t)+sin(t+(pi/4))
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3
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2K
J.T
J
F
Triangle Proportionality Theorem Help?
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3
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2K
Harry_the_cat
Harry_the_cat
Y
Monstrous equation
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3
Views
1K
Deleted member 4993
D
C
Trig. fun problem solving: Decide sin^3 x + cos^3 x in terms of/ if sin x + cos x = a
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4
Views
1K
pka
pka
P
Proving equations using sin, cos and tan: (1+tanx)/(sinx+cosx) = 1/cosx
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4
Views
1K
Deleted member 4993
D
L
Trigonometria: The pendulum of a grandfather clock consists of a circular disc....
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2
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2K
stapel
stapel
N
Dividing a Trapezoid horizontally in 2 equal parts
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0
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3K
noznoz159
N
A
2d game geometry
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4
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1K
andrewjb123
A
B
Problem involving cos + sin: express 5cos(3t) + 12sin(3t) as "A cos(wt + a)"
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2
Views
1K
HallsofIvy
H
M
summ of trig functions (how to and where)
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1
Views
775
Deleted member 4993
D
B
Problem involving double cosine: 3cos(2θ) = -1.6 0 ≤ θ ≤ π
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1
Views
782
pka
pka
M
Math without zero?
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2
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3K
Michaelsrk
M
I
Determine the area and the height of the triangle
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3
Views
1K
ksdhart2
K
M
Geometry, Analytic Geometry, Line equations
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4
Views
2K
lookagain
L
N
Planar Geometry: Prove that the lines CX and AY are concurrent and...
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1
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1K
Harry_the_cat
Harry_the_cat
S
Logic problem: True or False? If n^2 = 4, then n=-2.
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4
Views
2K
Otis
Otis
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