Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
R
how to do any proof
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5
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3K
mmm4444bot
mmm4444bot
S
In triangle ABC, AB=8, BC=6, AC=12; find value of X
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7
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13K
mmm4444bot
mmm4444bot
J
Simple Harmonic Motion of buoy: write eqn describing motion
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2
Views
4K
Deleted member 4993
D
F
Sine Cosine Tangent: used tan, got 32/x, 2.275=32/x, find x
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2
Views
2K
mmm4444bot
mmm4444bot
S
How to prove this trig identity? 1/cosx -cosx = sinx tanx
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1
Views
8K
peekaboos
P
M
the arccos of pie: is this negative one, or undefined?
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9
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5K
mmm4444bot
mmm4444bot
A
Graphs of Trigonometric Functions
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4
Views
2K
Deleted member 4993
D
Z
Special Identities: verify tan(a/2) = (1-cosa)/(sina)
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2
Views
7K
PAULK
P
E
3cos50t+4sin50t by adding sinx to cosx how does phase shift?
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4
Views
2K
Deleted member 4993
D
A
Exactly which numbers can be expressed as sum of consec. pos
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1
Views
1K
stapel
stapel
J
Angle of Depression: satellite in circular orbit 9800 mi up
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1
Views
4K
soroban
S
A
Determine eqn of cylinder circumscribed to beads e1, e2
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0
Views
995
Apprentice123
A
A
cylinder has guidelines for curve x^2+y^2=4,x-y=0, perpendic
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0
Views
940
Apprentice123
A
P
Graphing y = 2(sqrt x + 1) - 2 Without Graphic Calculator
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2
Views
1K
fasteddie65
F
K
In-out Table on area math question
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1
Views
1K
stapel
stapel
J
Help with a simple Longitude calculation
Replies
4
Views
1K
jeffd
J
Y
Geometry Questions on "Midpoint Space"
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2
Views
1K
ymoa
Y
C
Geometry for Teachers
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3
Views
1K
cabriosnob
C
A
Graphing Sine and Cosine: find amplitude, period of 2 sin x,
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2
Views
5K
mmm4444bot
mmm4444bot
C
[MOVED] Cricket Problem: find length around circle w/ r = 28
Replies
8
Views
2K
Deleted member 4993
D
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