Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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sin(4x) = sqrt(3)/2: solve on interval [0, 2pi]
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2
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27K
soroban
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Finding the real zeroes of a cubic?
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3
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2K
morson
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Need help with these questions
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3
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4K
Mrspi
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Proving an equation with unorthodox components?
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4
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2K
Deleted member 4993
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Altitude of a trapezoid... Did I get this right?
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1
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4K
soroban
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[SPLIT] a 20 foot ladder leans against a wall....
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2
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3K
skeeter
skeeter
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Find angle, given lengths of two sides of right triangle
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1
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3K
Deleted member 4993
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J
Find side BA, given all angles an one side of right triangle
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1
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2K
skeeter
skeeter
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Solving sin2x = 3cosx for all values of x
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7
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11K
morson
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Area of two similar hexagons...Is This Correct?
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1
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2K
galactus
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B
pythegorian identity: tan^2t+1= sec^2
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6
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3K
soroban
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1
Harmonic motion: Y(t) = 4cos3nt
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8
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3K
1st_Golfer
1
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Studying "The theorems of Pappus" Need Help!
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2
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2K
Opalg
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1
tangents and circle
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2
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2K
Denis
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If areas of 2 similar hexagons are to each other as 5:2, and
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2
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7K
soroban
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Y
This Trig Question had my math teacher stumped!
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10
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4K
yohanson77
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Question congruent nonright triangles?
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1
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2K
morson
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R
need a formula for this triangle
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7
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3K
Deleted member 4993
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V
obtuse triangle help
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7
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4K
Denis
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H
any helpful hints for avoiding nerves on my test?
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8
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4K
volleyball_chick
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