Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
shahar
hyperpyramid
Replies
2
Views
875
mmm4444bot
mmm4444bot
E
Regularly increasing values between X and Y with N number of points between?
Replies
1
Views
759
lev888
lev888
shahar
compose a cuboid to pyramids
Replies
4
Views
1K
shahar
shahar
shahar
pyramid and cuboid
Replies
4
Views
1K
shahar
shahar
M
please help me understand this.. geometry
Replies
2
Views
800
mmm4444bot
mmm4444bot
H
Interesting trig problem
Replies
2
Views
857
Dr.Peterson
Dr.Peterson
J
Adding & dividing phasors: 123∠20°+69∠-10°=?, (35+j50)/(13-j7)=?
Replies
9
Views
9K
Dr.Peterson
Dr.Peterson
S
Help me with this right prism question plzzz
Replies
2
Views
744
mmm4444bot
mmm4444bot
J
Need help finding a radius
Replies
7
Views
1K
Deleted member 4993
D
J
What is the graphical method to construct phasor diagrams
Replies
8
Views
2K
Dr.Peterson
Dr.Peterson
A
The area of triangel, given that c = | AB | = 3 and that tanβ =
Replies
9
Views
8K
mmm4444bot
mmm4444bot
J
Convert polar form to rectangular form and vise versa.
Replies
4
Views
3K
mmm4444bot
mmm4444bot
shahar
theorem vs. lemma: What the difference between lemma to theorem​?
Replies
1
Views
7K
JeffM
J
C
Calculate value of E(a)=(4/5)tg(a)+(5/12)sin(2a), if cos(a) = -4/5, a ∈ (-pi; -pi/2)
Replies
2
Views
1K
Christofor
C
M
Half-Angle Trig Identity...how can it end up in a different quadrant if angle < 90?
Replies
3
Views
1K
mmm4444bot
mmm4444bot
M
simplify to one trigonometric expression: 2 sin (pi/4) 2 cos (pi/4)
Replies
5
Views
12K
math_knight
M
J
Convert polar form to rectangular form. (electrician studying phasors)
Replies
1
Views
1K
Dr.Peterson
Dr.Peterson
shahar
the longest cord: It diameter is the longest cord in the circle?
Replies
2
Views
993
MarkFL
MarkFL
shahar
How can I change the angles of parallelogram to become trapezoid?
Replies
19
Views
3K
Steven G
Steven G
S
I still don't get these Qs: Imagine you have been called as a expert witness...
Replies
2
Views
1K
yma16
Y
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