Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
O
Proof of sin(x+pi/2)=cosx and -cos(x+pi/2)=sinx
Replies
4
Views
2K
Ozma
O
C
Need help figuring out the formula.
Replies
2
Views
469
Cguilford
C
X
Vertical Asymptotes on the graph of y=Acsc(Bx-C)+D
Replies
8
Views
978
Dr.Peterson
Dr.Peterson
P
I really need help
Replies
1
Views
395
skeeter
skeeter
S
Help please!
Replies
5
Views
550
Deleted member 4993
D
Y
Irrational Lengths
2
Replies
20
Views
1K
Deleted member 4993
D
L
Help Me With This Tough Geometry Question
Replies
3
Views
388
lazyman
L
J
Difficult Trig/Geometry Problem
Replies
4
Views
469
jbarker2160
J
L
Trigonometric rapports of the angle
Replies
3
Views
620
Dr.Peterson
Dr.Peterson
N
How can I find the base of an equilateral triangle, knowing only the height?
Replies
6
Views
943
Deleted member 4993
D
B
Graphing questions
Replies
1
Views
284
R.M.
R
S
Need the answer so i can figure out & teach my neice
Replies
6
Views
477
Cubist
Cubist
J
Please help me with this question
Replies
2
Views
403
Jeubekeishsb
J
B
Geometry
Replies
3
Views
555
Dr.Peterson
Dr.Peterson
X
Question: Sine Function vs. the X-value intersecting the unit circle
Replies
2
Views
539
Dr.Peterson
Dr.Peterson
X
Evaluate trigonometric function of angle A
Replies
2
Views
386
Deleted member 4993
D
S
question
Replies
1
Views
455
Deleted member 4993
D
A
Shortest path between 2 planes with fixed radius arc in 3D space.
Replies
1
Views
393
metastable
M
A
Finding the equation
Replies
3
Views
544
Deleted member 4993
D
Y
Area of isosceles triangle
Replies
5
Views
565
y0ssar1an22
Y
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