Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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finding the area and length of a shaded area of a circle?
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1K
Aladdin
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Area and Volume
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3
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1K
Deleted member 4993
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GMAT question
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3
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2K
shamrocked
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Reference Angles and exact values
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4
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3K
Deleted member 4993
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[SPLIT] need help solving 2sin3x=?2 for 0?x?2?
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4
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2K
Deleted member 4993
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quadrilateral proof
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1
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1K
Aladdin
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Finding general solution for trigonometric equation
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3
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2K
Deleted member 4993
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Few Homework Problems [Pre-Calculus]
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2
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1K
Deleted member 4993
D
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Vector equation of a line: points A(5,1,2) and B(-1,7,8)
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1
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1K
tkhunny
tkhunny
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SAT Math IIC Trig Problem: If [tan(x)-1]^2=4 then which...?
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1
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2K
soroban
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Solve (cot^2 x)/(1 + cot^2 x) = 2sin2x
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3
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4K
Deleted member 4993
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Express (sin2x)/(1 - 2cos2x) in terms of tan x
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3
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4K
Deleted member 4993
D
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Finding the acute angle between two lines
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2
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2K
Monkeyseat
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Another Finding Area Problem: trapezoid w/ h=9, median=24
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6
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2K
clb393
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Double-Angle Theorem: sec(@) = (-5root21)/21, csc(@)>0, find
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2
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2K
Deleted member 4993
D
I
Complementry Angle Theorem: why does sinA+cosA = 1?
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1
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1K
Mrspi
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Q
Trig Polar Stuff: Let z1 = -?(3) + i and z2 = 4 + 4i....
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4
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3K
quinnGoes
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Finding Area of rhombus: perim = 100, diagonal = 30
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3
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11K
clb393
C
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angular/linear speed
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1
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2K
galactus
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How are the triangles similar?
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2
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1K
Deleted member 4993
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