Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
E
Finding height of new triangle created by parallel hypotenuse?
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3
Views
5K
Ishuda
I
N
Parabola/Directrix/Focus
Replies
5
Views
3K
Nazariy
N
D
trying to evaluate tan-1 (o) = -5.67
Replies
8
Views
4K
Deleted member 4993
D
M
Finding Coterminal Angle
Replies
2
Views
4K
stapel
stapel
R
Formula for irregular tank dipstick
Replies
8
Views
4K
Ishuda
I
A
area and volume problems
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2
Views
5K
agapela
A
S
Determine camera transforms from projected coordinates
Replies
0
Views
1K
samkuhn
S
L
Determine whether triangle TJD is congruent to triangle SEK given T (-4,-2), J (0,5),
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2
Views
3K
lookagain
L
N
Solving Equations
Replies
2
Views
2K
stapel
stapel
O
Parallel lines plus more.
Replies
1
Views
1K
Oddgamer
O
O
Parallel line calculations???
Replies
6
Views
3K
Oddgamer
O
N
Solve Eqtn for 0º ≤ θ ≤ 360º: sin^2(x) + 2cos^2(x) = 2
Replies
3
Views
3K
ninatemple
N
X
distance from point to line
Replies
0
Views
2K
xRazor
X
N
Solving Trigonometric Eqn: 4sin^2(x) cos(x) = tan^2(x)
Replies
3
Views
2K
Ishuda
I
L
angles
Replies
2
Views
1K
stapel
stapel
G
Proof of congruent triangles
Replies
2
Views
1K
pka
pka
C
Prove 2( cos y + sin y) =(sec y)(1+cos 2y + sin2y)
Replies
2
Views
2K
stapel
stapel
N
Help with proving trig identities
Replies
1
Views
2K
Deleted member 4993
D
N
Need Help With Proving Trig Identities
Replies
1
Views
1K
Deleted member 4993
D
K
Help with establishing the trig identity
Replies
1
Views
1K
stapel
stapel
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