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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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U
Cyclic Quad: How to prove the figure in the graphic is a cyclic quadrilateral?
urimagic
Apr 30, 2023
Replies
9
Views
428
Apr 30, 2023
urimagic
U
C
How many kilograms of sugar will the bigger one hold?
chijioke
Apr 19, 2023
2
Replies
31
Views
1K
Apr 28, 2023
The Highlander
M
Finding the Angle
Moonglum
Apr 20, 2023
Replies
4
Views
247
Apr 26, 2023
Moonglum
M
S
Calculating intersection of arc and line
SpencerW
Apr 22, 2023
Replies
2
Views
234
Apr 26, 2023
SpencerW
S
O
Two-Column Proof: Given: Segment AB=x+16, Segment BC=4x+11, Segment AC=77; Prove: AB=26
ostennev
Apr 24, 2023
Replies
2
Views
362
Apr 25, 2023
blamocur
R
Medieval Pierced Panel Geometry Problem. (create a model from just outer radius)
Rob Edwards
Apr 24, 2023
Replies
6
Views
322
Apr 24, 2023
Rob Edwards
R
C
How many litres of paraffin will a similar drum 30 cm high hold?
chijioke
Apr 19, 2023
2
Replies
20
Views
716
Apr 23, 2023
The Highlander
tangent question: What is value of 1/tan(pi*x) when x = 1/2? Is it 0?
Harry_the_cat
Apr 14, 2023
Replies
16
Views
638
Apr 21, 2023
Dr.Peterson
U
First quadrant? They give sqrt{13}*sin(x) + 3 = 0, where 0 degrees < x < 90 degrees
urimagic
Apr 20, 2023
Replies
5
Views
319
Apr 21, 2023
urimagic
U
B
How to draw a plane intersecting a cylinder at a "compound angle"
Bor
Apr 21, 2023
Replies
0
Views
161
Apr 21, 2023
Bor
B
C
How do I find the area of this parallelogram? (lateral side 9cm, bases 12cm, angle 73*)
chijioke
Apr 17, 2023
2
Replies
31
Views
1K
Apr 20, 2023
Steven G
U
Manipulation: How does [3p (sqrtl{2}/2) (cos(x) + sin(x))] / sin(x) become [3p (cos(x) + sin(x))] / [sqrt{2} sin(x)] ?
urimagic
Apr 20, 2023
Replies
2
Views
293
Apr 20, 2023
urimagic
U
A
Finding a radius to a line with two known points
Ahatmose
Apr 17, 2023
Replies
5
Views
268
Apr 18, 2023
Ahatmose
A
U
Trig LCD: how did it go from sin(24*)cos(24*) to (1/2)sin(48*)?
urimagic
Apr 18, 2023
Replies
3
Views
394
Apr 18, 2023
Steven G
P
Trig Help: int [sin^3(x) cos^2(x)] dx
PA3040D
Apr 17, 2023
Replies
3
Views
338
Apr 18, 2023
PA3040D
P
P
Can I prove if this trapezoid is possible/impossible?
pineapplewithmouse
Apr 16, 2023
Replies
19
Views
776
Apr 17, 2023
pineapplewithmouse
P
B
Using fixed volume to find minimum surface area of cylindrical container w/ hemispherical lid, flat base
briscoecharles1
Apr 16, 2023
Replies
3
Views
357
Apr 17, 2023
Dr.Peterson
T
The vertical asymptote of a tangent for f(x) = 1/tan(pi*x)
tttete7
Apr 14, 2023
Replies
2
Views
337
Apr 14, 2023
skeeter
I
Trig and Inequality question: Find the θ to 4 significant digits for 0 ≤ θ < 2π if tan θ = -0.7434
I_Just_Want_To_Pass
Apr 1, 2023
Replies
10
Views
2K
Apr 13, 2023
The Highlander
A
Trig equation: Solve -6 * sqrt[3] = -9 * csc(3 *theta) for theta
Audentes
Apr 11, 2023
Replies
10
Views
682
Apr 11, 2023
Audentes
A
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