Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
91powerramman
Trig Q: cos(a)=4/5, a in QIV; sin(b)=5/13, b in Q1. Find cos(2b), cos(a + pi/2).
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1
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1K
Deleted member 4993
D
H
Trig Test Q: Dora leaves her house bearing 345 deg. for 9km, then bearing 255 deg....
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1
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1K
Harry_the_cat
Harry_the_cat
D
Similarity and Geometry
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1
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1K
Deleted member 4993
D
P
solve sine equation, sin(x+0.7)=0.6, in rad.
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1
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2K
pka
pka
F
This is a basic question.Please help?
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1
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2K
Deleted member 4993
D
M
Volume of irregular polyhedron
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5
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2K
mr.Wong
M
R
Vectors: wheel w/ radius r rolloing to right along x-axis w/ constant speed v....
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3
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1K
stapel
stapel
O
Activity: work out the perimeter, area and volume of the following....
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3
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1K
stapel
stapel
O
Is the sinus function empirically proven?
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9
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2K
Orian
O
M
struggling with weird graphs: y=x/x^2-9, y=x^2/x^2-16, ...
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4
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2K
Mitsukuni
M
E
Point source of light emit light to regular grid.
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11
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3K
endorfin
E
J
Determine the range, domain and asymptotes
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4
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2K
stapel
stapel
J
area of rectangle given internal dimensions and distance to external.
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1
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926
stapel
stapel
N
What is the resultant average velocity (magnitude & direction)?
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1
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1K
Ishuda
I
N
particle moves in line acc. to s(t) = t^4 - 6t^3 + 12t^2 - 10t + 3, t in secs.
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3
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3K
stapel
stapel
G
Slant height of square pyramid.
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1
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2K
g_bway
G
R
"Pre-Calc" Trig Review problems
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1
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2K
Deleted member 4993
D
B
Finding parallel segments between two circles
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3
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2K
Ishuda
I
C
complex number in trigonometric form
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1
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2K
Deleted member 4993
D
A
Trig help needed please
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0
Views
775
Al Kirk
A
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