Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
P
How to solve sin (x + PI/4) = cos (x/3)
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1
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1K
Deleted member 4993
D
A
Proof Problem of Condition Trigonometrical Identities
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2
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1K
anurag
A
A
Relative velocity
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1
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1K
Anthonyk2013
A
M
Force Diagrams
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1
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1K
wjm11
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N
Stuck on (b) in "A boy flying a kite releases 140m of string...."
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1
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2K
stapel
stapel
L
Why 79 degrees instead of 101 degrees?
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4
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3K
stapel
stapel
L
trigonometric equality: sqrt[3] sin(x) - cos(3x) = 1
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2
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1K
litlme
L
D
Division of Line Segment
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2
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1K
stapel
stapel
K
Parallel and Orthagonal lines in three dimensions
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2
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1K
ksdhart
K
W
Calculating the scalar product
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4
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2K
Deleted member 4993
D
M
solving for length of a bisected triangle side based on proportions?
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2
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1K
markhunter72
M
M
Stuck On Identities.
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4
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2K
MJFan
M
T
convert the equation to polar co-ordinates (follow-up)
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2
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1K
ksdhart
K
H
How many triangles in this oblique triangle?
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3
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2K
hatetrig
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K
Stuck in Mathbook can you help?
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1
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1K
stapel
stapel
D
Basic Trig Functions: solve 2cos(3x) + sqrt(3) = 0
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3
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4K
Pradeep
P
G
Find the area on the lawn on which the goat can graze.
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5
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4K
Pradeep
P
W
10. In the parallelogram ABCD, AB = b and AD = d. Also... (vector math)
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2
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1K
Wiz
W
A
Simple(?) proof on points on bisecting lines.
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2
Views
994
alex909
A
J
trig vector question please please help
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1
Views
1K
stapel
stapel
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