Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
A
help with trig question, I can't figure d or c
Replies
1
Views
739
skeeter
skeeter
L
Trig help please as soon as possible
Replies
1
Views
577
Steven G
Steven G
T
Sin(z+y) = cos(z+y), show that tan(z) = (1-tan(y))/(1+tan(y))
Replies
1
Views
515
Romsek
R
L
Curvature angle
Replies
2
Views
759
markraz
markraz
1
Unique velocity to scale on 2 different vectors///Sorry if i post here,but i didn't receive any answer
Replies
8
Views
1K
lev888
lev888
miregal
It's stated that the dots mean the side a can swing freely, but in example (b) I think it can't move since the side b and the angle A is immobile.
Replies
7
Views
1K
miregal
miregal
A
There is a glass on the table, the inner surface which is obtained by rotating the parabola y = x 2 around its axis. Balls
Replies
1
Views
635
lev888
lev888
A
The field has the shape of a right-angled triangle ABC, where AB = c, AX = p and XC = q. Jenny
Replies
1
Views
614
lev888
lev888
A
On the lattice shown, the vertical and horizontal distance between adjacent dots equals 1 cm. How many line segments
Replies
10
Views
1K
Harry_the_cat
Harry_the_cat
A
ABC - right triangle, B - midpoint of AD. Point E is such that DE = AB, and the distance...
Replies
7
Views
1K
abusha
A
A
What is the smallest number of sides a (non-convex) polygon...
Replies
3
Views
1K
abusha
A
D
Segment Length and Midpoints
Replies
1
Views
506
Deleted member 4993
D
S
Trigonometric identities
Replies
3
Views
744
pka
pka
W
bearings + trigonometry
Replies
3
Views
1K
Romsek
R
Z
Slopes of Parallel and Perpendicular Lines
Replies
5
Views
797
Steven G
Steven G
T
Trig proof
Replies
18
Views
2K
Steven G
Steven G
E
Check my answer please and thank you
Replies
9
Views
1K
Dr.Peterson
Dr.Peterson
E
Can someone please help explain these questions.
Replies
3
Views
575
JeffM
J
I
Hey! I need help with this geometry problem
Replies
8
Views
1K
Dr.Peterson
Dr.Peterson
E
Need help... my heads fried
Replies
1
Views
518
Harry_the_cat
Harry_the_cat
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