Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Calculating vector component problem: a heading of 140 degrees relative to North...
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5
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3K
wduk
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Triangle - finding side b?
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2
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1K
mcarthyryan
M
N
simplification of Trignometric expression: sinx+sin(x+y)+ - - +sin(x+(n-1)y)=
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1
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1K
Deleted member 4993
D
J
Simple Trig Trio Problems - I keep getting the wrong answer
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2
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2K
jxcov
J
S
Help With Some Maths Please (projectile motion: distance traveled)
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5
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2K
stapel
stapel
H
Lake meas: If I have a lake that at 3.02m from the top the volume is 602,086 m^3...
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1
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1K
Ishuda
I
S
solve this trigonometric equation: [(2sinx+1)/(cosx)]*(cosx-sinx)+2=0
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5
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3K
stapel
stapel
D
Tessellations: If I split a square into four equilateral triangles...
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5
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4K
Dr. T
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Lab calculation - Non-volatile residue - convert to requested format
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6
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4K
mmm4444bot
mmm4444bot
M
Triangles - Trig: for given triangle, find 3 options equal to "a"
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5
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2K
mcarthyryan
M
L
looking for help on grade 10 trig please - review for exam
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4
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2K
ldfa99
L
M
Finding a missing co-ordinate on a right-angle triangle
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3
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1K
Deleted member 4993
D
M
Vectors or scalars? directions, weights, volumes, tensile forces, etc
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3
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2K
mcarthyryan
M
F
Vector subtraction: Plane A is traveling 30.0 degrees west of north at 455 miles/hour
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1
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2K
HallsofIvy
H
R
cyclic quadrilateral: AB and CD are two parallel chords of a circle with center O...
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2
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2K
ksdhart2
K
V
A painter is placing a ladder to reach the third story window, which is 18 feet...
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6
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3K
mmm4444bot
mmm4444bot
V
Given cos 25° approx 0.9063, what is sine of complementary angle?
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3
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2K
stapel
stapel
V
Find the area of the right triangle △DEF with the points D (0, 0), E (1, 1), and F...
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3
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2K
stapel
stapel
S
Basic geometry, don't understand
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2
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1K
stapel
stapel
T
Need help w/ 2 Qs: What angle will a 5-meter ladder make with a wall if...?
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2
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1K
stapel
stapel
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