Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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trying to solve 2x(squared) = 3x - 6; do I use 'FOIL'?
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4
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2K
galactus
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P
Verify cos(x)+1/tan^2(x)=cos(x)/sec(x)-1 Using one side
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9
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5K
Mrspi
M
J
polar equations: 2 = r cos (theta + 180 degrees)
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1
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3K
stapel
stapel
M
The length of a rectangle is 7 inches longer than its width.
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2
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2K
metalmachine
M
D
Finding length of each side and the base(iso triangle)
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1
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2K
Deleted member 4993
D
K
prove sin^2 (x/2)= 1/2(1-cosx) using one side
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3
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2K
Deleted member 4993
D
A
Looking for 'real life' example of sine or cosine wave
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1
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8K
Deleted member 4993
D
G
Weight of Sculpture Story Problem
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2
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2K
geekily
G
H
Trig Identity: Prove cotA + tanA = 2cot2A
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3
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10K
o_O
O
E
Finding the max height of rock launched by catapult
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3
Views
10K
TchrWill
T
S
Trig Function: Write cot (t) in terms of sin (t) if....
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1
Views
5K
Deleted member 4993
D
I
Trigonometry Inequality Please Helpp!!!!!!!!
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4
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2K
Deleted member 4993
D
D
Finding Angle with given distance
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4
Views
3K
TchrWill
T
A
HELP: PROVING TRIG IDENTIES
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3
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2K
morson
M
L
basic coordinate geometry question
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6
Views
2K
pka
pka
G
Volume of an Irregular Object
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5
Views
15K
geekily
G
B
Half angle formula
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1
Views
7K
Loren
L
E
Geometry: Proving Triangles are Similar
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2
Views
3K
pka
pka
S
Trig functions
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1
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2K
royhaas
R
B
how to solve problem sticked with 2 figures
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1
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2K
stapel
stapel
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