Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
KDawg
Expressing Trig Functions in terms of other trig functions
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1
Views
902
Deleted member 4993
D
C
Help finding the length
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1
Views
883
christofff
C
M
Finding the horizontal mid-line of an irregular shape
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0
Views
822
MattRNR
M
T
Transforming a graph cos(x) to cos(2x-60) in correct order?
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2
Views
2K
Deleted member 4993
D
T
Billiard Balls in a Mould
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1
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1K
ksdhart2
K
R
4 circles inside a smaller circle: I get a different answer...?
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1
Views
949
stapel
stapel
N
Cot2theta= cot^2theta-1 over 2cottheta Choose the sequence of steps that vary the ...
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2
Views
2K
stapel
stapel
T
Is Sin x^2+cos x^2 =1 the same as sin x^2+cos x^2 = 1?
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1
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1K
ksdhart2
K
C
Solving Trig Equations: Find in terms of k the value of cosec x.
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3
Views
2K
Ishuda
I
C
If 0<a,b<π and cos(a) + cos(b) - cos(a+b) = 3/2 then show that a=b=π/3
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1
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3K
pka
pka
P
please help with these problems, thanks in advance!!
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1
Views
2K
ksdhart2
K
D
Sine wave Phase Separation/Reconstruction
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1
Views
2K
Ishuda
I
B
Sum and Product Formulae: calculate max. value of power in the circuit if...
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2
Views
2K
Barry1234
B
C
The 3-parameter transformation found from the measurements are: ΔX = 337.285 ΔY = -21
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0
Views
1K
chessguru
C
C
Write z_1 = -sqrt2i, z_2 = -3-3sqrt3i in polar form. Find product, quotients.
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3
Views
3K
Prove It
P
W
Proof that sin(A)=sin(A+B2)cos(A−B2)+cos(A+B2)sin(A−B2)
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1
Views
1K
Ishuda
I
T
Simple Trig Question- Need an explanation as to why two of these options work
Replies
1
Views
952
stapel
stapel
M
Surface Area Sheet
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1
Views
875
stapel
stapel
S
Triangle and figure: In triangle ABC, what is the length of side BC?
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5
Views
4K
stapel
stapel
M
Calculating and visualizing the mean distance between 3 points in 3D
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5
Views
2K
Ishuda
I
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