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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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Trying to calculate hours of daylight per day at given date and latitude
Garm
Dec 30, 2016
Replies
0
Views
955
Dec 30, 2016
Garm
G
B
Simplifying Trig Equation: (t-sint)=2pi
BigNate
Dec 30, 2016
Replies
1
Views
2K
Dec 30, 2016
Otis
U
Trig between 0 and 360: Find beta if tan beta=-5.67 and cos beta <0.
UK123
Dec 20, 2016
Replies
1
Views
1K
Dec 20, 2016
HallsofIvy
H
G
Surface area of 3D shape: rect. block w/ many half-cylinders removed
Gojam123
Dec 19, 2016
Replies
3
Views
2K
Dec 20, 2016
Gojam123
G
J
Real World Geometry Problem Kicking My Old Butt!
jim_s
Dec 8, 2016
Replies
13
Views
4K
Dec 16, 2016
jim_s
J
L
convex n-sided irregular polygon, largest int. angle is 160, smallest is 130.
lahsim
Dec 14, 2016
Replies
4
Views
2K
Dec 15, 2016
HallsofIvy
H
M
ACT Math: true relationship between f(x) = (x - 3)^2 + 2 and g(x) = (1/2)x + 1
mjmax333
Nov 22, 2016
Replies
16
Views
8K
Dec 14, 2016
stapel
M
Capacity: maller jug has a capacity of 1500cm cubed and is 13cm high
mariss
Dec 13, 2016
Replies
8
Views
3K
Dec 14, 2016
HallsofIvy
H
S
Sine angle addition identity - problem with proof
syncmaster913n
Dec 13, 2016
Replies
2
Views
915
Dec 13, 2016
syncmaster913n
S
B
need to get 2 angles: MOTOR1 spins BLACK PLATE, MOTOR2 spins yellow plate
batata003
Dec 5, 2016
Replies
1
Views
1K
Dec 12, 2016
RalphD
R
D
Angle of intersection of two curved lines.
DaveW
Dec 8, 2016
Replies
3
Views
2K
Dec 12, 2016
RalphD
R
W
Finding the secant from an angle that isn't cosine
wduk
Dec 11, 2016
Replies
6
Views
1K
Dec 11, 2016
pka
W
(Vector)how to find the force? Please hep
williamwong0402
Dec 11, 2016
Replies
0
Views
736
Dec 11, 2016
williamwong0402
W
H
Help in the second question of a geometry exercise please help
helpmepl
Dec 10, 2016
Replies
2
Views
2K
Dec 11, 2016
helpmepl
H
W
A certain law in geometry
Welson
Dec 10, 2016
Replies
4
Views
1K
Dec 11, 2016
Welson
W
T
Trig Period problem: Solve tan(x-5)sin(x) = 0 for 0 <= x <= 2pi.
TheSheep
Dec 10, 2016
Replies
2
Views
2K
Dec 10, 2016
Steven G
K
trignometric intervals: could you somehow express 2pi<x<9pi/4 as 0<x<pi/4 ?
kiranthankachan
Dec 10, 2016
Replies
3
Views
1K
Dec 10, 2016
pka
C
Phase Shift and period for the function y=5cos3(@+60degrees)-1
conner22
Dec 8, 2016
Replies
1
Views
1K
Dec 8, 2016
ksdhart2
K
J
Need Help with varying arc heights: ship w/ decks cambered for water runoff
JosephH
Dec 7, 2016
Replies
0
Views
873
Dec 7, 2016
JosephH
J
F
2 geometry Qs: Use a piece of graph paper to plot three points to create a triangle.
Ficle
Dec 5, 2016
Replies
2
Views
2K
Dec 6, 2016
HallsofIvy
H
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