Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Applications of Law of Sines: determining height of tree
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7K
Deleted member 4993
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Geometry Pictures
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1
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1K
galactus
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combinations: poss. 5-card hands w/ 2 of 1 kind, 2 of 2nd, &
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2
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2K
soroban
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Finding stationary point of y = (sqrt(3))cos 2x - sin 2x
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1
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3K
Deleted member 4993
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math problems for trig.: linear functions, quadratic fcns
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3
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2K
helpplease!
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Similar Triangles
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7
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2K
stapel
stapel
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2 arc-related problems: finding volume of game controller
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7
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3K
matt000r000
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prove the identity: sinxcosx + cos²x = cosx(1+cotx)/cscx
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3
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17K
Deleted member 4993
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Verifying trig identity? Sin(x+y) + Sin(x-y) = 2sinxcosy
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3
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9K
Deleted member 4993
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Trig Word Problem
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2
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2K
wjm11
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double angles: prove 1 - tanx/1 + tanx = cos2x / sin2x + 1
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1
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3K
Deleted member 4993
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Geometry Test
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9
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2K
Denis
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Double angle identities question
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4
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1K
Monkeyseat
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Find high and low points of a circle.
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2
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2K
wjm11
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I need a little hand please with -4x + 3y = -6
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7
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1K
maurize
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Find all solutions in the interval [0,2pi)
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1
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2K
royhaas
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find the area of a pentagon
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3
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1K
Sarah&Sierra
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Find the Perimeter and Area of a regular polygon
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3
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2K
Denis
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4cos^2(2x)-4cos2x+1=0
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4
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7K
Ecc1213
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Two geometry problems -->
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2
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1K
stapel
stapel
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