Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
W
Finding solutions of tan - confused where i went wrong
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3
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1K
ksdhart2
K
W
Find the acute angle for a sine angle?
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3
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1K
ksdhart2
K
G
Write equation given y-intercept (0,-2) and angle of inclination 120 degrees
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4
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3K
Harry_the_cat
Harry_the_cat
M
Vectors - Practical example? "A buoy is being held stable by 3 swimmers...."
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2
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3K
mcarthyryan
M
A
Broken plate math problem
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1
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3K
aaknutsen
A
N
Trigonomic Functions Help: simplify expressions, using identities
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5
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2K
Deleted member 4993
D
A
Triangle similarty
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1
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1K
Otis
Otis
R
Touching Circles or spheres problem
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3
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2K
rpmwebs
R
H
Volume of Solids Problems
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3
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2K
Harry_the_cat
Harry_the_cat
D
Need help with last bit of my equation: f(x)=8*sin(x)+4cos(x)*sin(x) 0<x<2*pi
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4
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2K
danishkid
D
D
how to simplify this trigonometric expression without using double angle identities?
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1
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2K
ksdhart2
K
W
Calculating vector component problem: a heading of 140 degrees relative to North...
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5
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3K
wduk
W
M
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
Views
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
D
G
Lab calculation - Non-volatile residue - convert to requested format
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6
Views
4K
mmm4444bot
mmm4444bot
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