Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
D
Area and perimeter of a rectangle equality question
Replies
1
Views
2K
TchrWill
T
T
Trig identity: verify cos^2(x) - sin^2(x) = 2cos^2(x) - 1
Replies
8
Views
3K
Timothy
T
F
[MOVED] If sin(theta) = m/n, 0 < theta < pi/2, then ta
Replies
1
Views
2K
stapel
stapel
F
[MOVED] A tree is y feet tall. The angle of elevation is
Replies
5
Views
2K
stapel
stapel
F
A question: If you have two vectors and they are perpendicul
Replies
2
Views
1K
skeeter
skeeter
N
[MOVED] Show that (cot(x)+tan(x))^2 = csc^2(x) + sec^2(x)
Replies
2
Views
2K
nalani
N
C
Geometric Two Triangles Height Building
Replies
2
Views
1K
CookizREvil
C
D
[MOVED] If 0 is an angle measure such that 0<0< pi/2,
Replies
1
Views
1K
skeeter
skeeter
F
diameter of a circle: what is the largest circle that could
Replies
2
Views
2K
jonboy
J
F
Geometry and proofs
Replies
1
Views
1K
stapel
stapel
P
Solving y' - (1/2)y = 2cos(t) for y
Replies
7
Views
4K
stapel
stapel
B
finding linear equation, given inputs and outputs (2x+1)
Replies
2
Views
2K
Bladesofhalo
B
B
Linear Equations: find fcn, given inputs and outputs
Replies
2
Views
1K
Denis
D
L
Developing Proofs
Replies
1
Views
2K
pka
pka
C
larger of 2 supplementary angles exceeds 7 x's smaller by 4
Replies
2
Views
2K
curt l.
C
M
quick question: is '[Cos(3x)]^2+[sin(3x)]^2=1' true?
Replies
3
Views
4K
Denis
D
J
How do you solve proofs?
Replies
5
Views
3K
stapel
stapel
S
Help! Im stuck! 4sin^2x + 2cos^2x = 3, 2cosx - 3tanx = 0
Replies
2
Views
10K
stellarluv
S
F
Word problem: A plane is headed N 40° E with a speed of 600
Replies
4
Views
8K
Faded-Maximus
F
V
trig probs: sin(x)- 2sin^2(x)= 0, sinx= cos2x, tanx + secx =
Replies
1
Views
2K
skeeter
skeeter
You must log in or register to post here.
Top