Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Advanced Geometry (Cone Segments) Question
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1
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865
Cyryn
C
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Solve equation 3tan(2x+15)=4 for 0<x<180
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4
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4K
HallsofIvy
H
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Find a and b for f(x)=a-bcos(x), max is f(x)=10, min is f(x)=-2; find a, b
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6
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5K
Steven G
Steven G
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"If distance between ( x, -1 ) and ( 2, 3) equals 4, solve for x" & 19 other q's
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4
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4K
Steven G
Steven G
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Trigonometric Inequality: T/F: If 5pi/4 <= x < 3pi/2, then 0 <= cot(x) < 1
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1
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1K
stapel
stapel
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How to demonstrate that S = S' x Cosa
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1
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2K
Ishuda
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geometry: Angle QOP and Angle QOR are complimentary, but Angle POR is not a right ang
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1
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1K
stapel
stapel
K
Find x-coordinates where the curve y=f(x)=a+bcos(2x) intersects the x-axis
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11
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5K
Kayla65
K
J
find the length of AB given proportions
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3
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1K
jpearson3
J
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HELP Solving Trigonometric Equation sin^2 theta cos^2 theta=0
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3
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1K
HallsofIvy
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Geometry (law of sines)
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1
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813
Deleted member 4993
D
U
Geometry: Distance of the centre of the circle
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0
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936
ushay
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L
Help calculating 2 areas
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4
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3K
Steven G
Steven G
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cos(x)+sin(-3x)=0 - Doubt in a particular step
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2
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1K
Mathallica
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solve sin2x - 1 = cos2x where x is between 0 and 360
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4
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10K
hndalama
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T
cone has height twice its radius, volume of 18pi in^3; find cone's height in inches
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3
Views
5K
tathagata7
T
D
Simple trigonometric problem: If tan(x) - cot(x) = 2√3, what is their sum?
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4
Views
6K
stapel
stapel
C
Unit square and the pigeonhole principle
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1
Views
6K
stapel
stapel
G
Simplify cos^4(x)-sin^4(x)=sqrt(3)sin(2x) and solve on the interval [0,pi)
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3
Views
1K
Bob Brown MSEE
B
B
Curve of equidistant points on a plane
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6
Views
3K
Deleted member 4993
D
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