Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
T
Establish the identity sec - cos = sin x tan
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5
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8K
tkhunny
tkhunny
G
Please Help: Trig- simplifying, factoring, verifying
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2
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3K
soroban
S
B
solve sec^4 (2x) = 4, sin 2(x) + sin4(x) = 0
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4
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5K
soroban
S
C
Graphing equations....
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1
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1K
skeeter
skeeter
J
properties of a parallagram.....HELP PLZ!!
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1
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2K
pka
pka
S
Fill in the blank questions PLEASE HELP!
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1
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1K
pka
pka
A
Trig help
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1
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1K
AllanB
A
F
Stuck on Identity: cos(Pi/2 - x) = sin x
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5
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6K
AllanB
A
S
Help with a proof
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1
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1K
galactus
G
S
[SPLIT] prove (csc^2x-cot^2x)/(1+tan^2x)=cos^2x
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2
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2K
skeeter
skeeter
I
[SPLIT] solving trig eqns: sin2x(csc2x - 2) = 0, etc
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2
Views
4K
soroban
S
T
Solving trig expressions
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1
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1K
royhaas
R
S
[MOVED] show that csc x tan x = sec x, sec x cot x = csc x
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3
Views
3K
Sham
S
P
composites
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1
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1K
Mrspi
M
I
Solving Trig Equations
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5
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2K
ilovemath3
I
J
areas and volumes of solids
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1
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2K
Mrspi
M
S
I need help with Trigonometrics identies
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1
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1K
stapel
stapel
J
Need help with one trig identity problem.
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3
Views
2K
joec
J
Q
2 Sin/Cos Problems
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1
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2K
stapel
stapel
R
Show that 1-[cos2A / cos^2A] = tan^2A
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2
Views
5K
soroban
S
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