Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
R
prove Midpoint thm w/ synthetic, analytic, vector techniques
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8
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3K
ReadytoLearn
R
A
verifying identities: sin4x = (2sin^3(2x))(cos(2x)) + ....
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3
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2K
soroban
S
A
[SPLIT] verify sin 4x = 2sin^3 2x cos 2x + 2sin 2x cos^3 2x
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1
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2K
Deleted member 4993
D
A
Fundamental Identities: sin^2(x) (csc^2(x) - 1)
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3
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2K
soroban
S
J
graphing function
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2
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1K
mmm4444bot
mmm4444bot
D
Area of Regular Polygons
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1
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1K
stapel
stapel
P
Method of Transformations - Trig - Sin
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4
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2K
fasteddie65
F
M
Apothem: find area, perim. of reg. octagon w/ apothem of 1
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6
Views
15K
TchrWill
T
P
Exponential Growth (WORD PROBLEM: bacterial growth)
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5
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6K
plur222
P
F
Using DeMoivre's Theorem to put (1 - i)^12 in standard form
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1
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2K
DrMike
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P
Trigonometric Functions (WORD PROBLEM)
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3
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16K
Deleted member 4993
D
R
Geometry Proof: Given NO=QP, PN>OQ, prove MP>MO
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1
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2K
Deleted member 4993
D
M
Combining sinusoidal functions
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3
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5K
DrMike
D
N
reference angle to pi/10: solve sin inverse sin(-pi/10)
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1
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3K
Aladdin
A
A
deductive geometry: circle w/ center P circumscribes triangl
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1
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1K
TchrWill
T
C
Rules of compass and straight-edge constructions
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1
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2K
TchrWill
T
J
Geometry: cylinder, r = 2, L = 6, h = 3: find depth if vert.
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3
Views
10K
Denis
D
G
Addition and Subtraction Formula Trig: evaluate sin(255),
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2
Views
5K
Loren
L
R
M midpoint of DE, m<1>m<2DF=13x-5, Ef=7x+25, find x
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3
Views
1K
Mrspi
M
R
Geometry Question
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1
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1K
Loren
L
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