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Geometry and Trigonometry

Points, Lines and Angles; Plane Shapes and Solids; Constructions; Congruences and Similarities; Analytic or Coordinate Geometry; Basic Vector Geometry
Ackbach
  • Sticky
Trigonometry Trigonometry to Memorize and Trigonometry to Derive
Replies
1
Views
12K
Ackbach
Ackbach
A
pls help me
Replies
4
Views
113
Country Boy
C
D
Doubt from Parabola
Replies
4
Views
175
DaalChawal
D
H
Calculate the radius of the circle
Replies
5
Views
220
jonah
jonah
H
λ and μ are scalars, find the value of λ and the value of μ
Replies
4
Views
983
Help seeker
H
H
Area of multiple circles inside a rectangle
Replies
3
Views
184
Help seeker
H
A
Trigonometry circle a equation in a straight line
Replies
8
Views
411
Prakhar
P
R
University Maths HW - Please help
Replies
0
Views
102
radharcnacille
R
N
Outdoor Carpet
Replies
3
Views
111
nycmathdad
N
K
Distance between the centers of two circles
Replies
9
Views
210
Klaas van Aarsen
Klaas van Aarsen
K
Is triangle ANC and isosceles triangle and why
Replies
1
Views
126
skeeter
skeeter
D
Tools of geometry
Replies
2
Views
130
skeeter
skeeter
Monoxdifly
[ASK] Trigonometry Question
Replies
2
Views
99
Monoxdifly
Monoxdifly
S
need help with parallelogram proof
Replies
1
Views
73
Opalg
Opalg
A
trigonometry
Replies
1
Views
103
skeeter
skeeter
F
Design loads in Aerospace
Replies
0
Views
45
Floria
F
G
Finding Angles in Circles
Replies
2
Views
110
Gabe Rebs
G
S
Enlargement and Scale Factor
Replies
1
Views
91
Country Boy
C
K
An application of the law of cosines?
Replies
2
Views
86
Kobzar
K
A
trigonometry on angles
Replies
2
Views
144
topsquark
topsquark
C
Need help on these two questions
Replies
8
Views
204
crystal_h
C
L
Trig identity help ?
Replies
1
Views
102
skeeter
skeeter
L
Stuck on how to work this out?
Replies
1
Views
87
skeeter
skeeter
K
Demonstration of a formula for the ratio between the hypotenuses of two triangles
Replies
2
Views
495
Kobzar
K
C
How does rigid transformation and dilation help with learning Geometry?
Replies
1
Views
156
topsquark
topsquark
A
I need help in this
Replies
1
Views
98
skeeter
skeeter
M
Find Area of Circle
Replies
2
Views
93
mathland
M
S
Proving isosceles using centroid and medians
Replies
1
Views
357
mrtwhs
mrtwhs
R
Square feet calculations assistance
Replies
9
Views
745
Greg
Greg
karush
[SOLVED] act.ge.5 third angle of triangle
Replies
1
Views
142
skeeter
skeeter
D
Trigonometry sin[1/2 sin−1x]=
Replies
2
Views
203
topsquark
topsquark
rannasquaer
Orthogonal projection
Replies
1
Views
141
Opalg
Opalg
karush
[SOLVED] gre,ge.2 similiar triangles
Replies
3
Views
850
karush
karush
karush
[SOLVED] act.59 sin theta >= 1
Replies
0
Views
153
karush
karush
S
Angle bisector
Replies
2
Views
218
slwarrior64
S
V
Trigonometry Triangles
Replies
0
Views
234
Voila
V
S
Proving a centroid
Replies
1
Views
152
slwarrior64
S
S
Perpendicular diagonals
Replies
10
Views
392
slwarrior64
S
S
Circumradius
Replies
2
Views
166
slwarrior64
S
S
In similarity chapter
Replies
1
Views
232
Country Boy
C
xyz_1965
Trigonometric Functions
Replies
4
Views
482
topsquark
topsquark
karush
[SOLVED] -gre.ge.11 x,y of fourth corner of diagonal
Replies
3
Views
318
karush
karush
banananaz
How do I find the Euclidean Coordinate Functions of a parametrized curve?
Replies
1
Views
202
Country Boy
C
anemone
Find area of shaded region
Replies
2
Views
202
anemone
anemone
E
Vector question
Replies
1
Views
141
skeeter
skeeter
S
Extrapolating sofa dimensions
Replies
2
Views
239
sofahelp
S
J
Calculate volume of non parallel wedge
Replies
1
Views
217
Klaas van Aarsen
Klaas van Aarsen
anemone
Find the area of triangle
Replies
1
Views
322
kaliprasad
kaliprasad
Monoxdifly
[ASK]Solution Set of a Trigonometry Inequation
Replies
4
Views
216
Monoxdifly
Monoxdifly
J
Trigonometry Right Triangle Problem
Replies
1
Views
164
skeeter
skeeter
xyz_1965
Distance Across Lake
Replies
1
Views
214
Country Boy
C
xyz_1965
Distance Between Two Ships
Replies
1
Views
199
Country Boy
C
asmmanikanda
Trigonometry How to find a length of line in quadrilateral?
Replies
10
Views
404
asmmanikanda
asmmanikanda
xyz_1965
Find x and y
Replies
1
Views
246
Monoxdifly
Monoxdifly
xyz_1965
Law of Tangent Ignored
Replies
14
Views
344
jonah
jonah
xyz_1965
Find Area of Gable
Replies
4
Views
298
xyz_1965
xyz_1965
C
Need help with Trig!! Thanks
Replies
1
Views
154
skeeter
skeeter
xyz_1965
Find Area of Triangle
Replies
2
Views
178
xyz_1965
xyz_1965
xyz_1965
Area of Shaded Segment
Replies
0
Views
173
xyz_1965
xyz_1965
xyz_1965
Isosceles Triangle ABC
Replies
0
Views
141
xyz_1965
xyz_1965
xyz_1965
Find AC & BC
Replies
2
Views
434
xyz_1965
xyz_1965
xyz_1965
Height of Washington Monument
Replies
2
Views
169
xyz_1965
xyz_1965
xyz_1965
Inverse of Trig Functions
Replies
16
Views
363
xyz_1965
xyz_1965
xyz_1965
Kite Distance Above the Ground
Replies
18
Views
368
xyz_1965
xyz_1965
xyz_1965
Find Angle Theta
Replies
4
Views
173
xyz_1965
xyz_1965
xyz_1965
Angle Formed By Ladder
Replies
10
Views
271
xyz_1965
xyz_1965
xyz_1965
cot (0)
Replies
9
Views
312
xyz_1965
xyz_1965
xyz_1965
Points A & B Out At Sea
Replies
8
Views
284
xyz_1965
xyz_1965
xyz_1965
cot (60°)
Replies
2
Views
171
xyz_1965
xyz_1965
xyz_1965
A Tree Application
Replies
4
Views
222
xyz_1965
xyz_1965
xyz_1965
Find Legs of Right Triangle
Replies
2
Views
170
xyz_1965
xyz_1965
xyz_1965
Building A and B
Replies
2
Views
864
xyz_1965
xyz_1965
B
I have no answers for these questions.. please help me!
Replies
3
Views
535
Country Boy
C
W
How should you draw this sketch?
Replies
1
Views
271
skeeter
skeeter
C
What does the following means?
Replies
2
Views
395
Country Boy
C
anemone
Find the area of the shaded region
Replies
2
Views
358
anemone
anemone
H
Volume and surface area of "One World Trade Center"
Replies
5
Views
420
Jameson
Jameson
anemone
Find the diameter of one circle
Replies
3
Views
300
anemone
anemone
S
Couple of hard trig questions...
Replies
1
Views
387
MarkFL
M
Amathproblem22
Addition of two sinusoids
Replies
3
Views
454
MarkFL
M
J
Line in second quadrant
Replies
3
Views
375
Joe_1234
J
J
Trapezoid
Replies
5
Views
377
MarkFL
M
O
Relationship between inner and outer radius of a two concentric circles
Replies
2
Views
292
MarkFL
M
C
Bearings-Finding the angle of B as well as the finding the bearing from point A to Point C.
Replies
3
Views
343
skeeter
skeeter
P
Find the points of intersection of a line and a circle
Replies
2
Views
449
kaliprasad
kaliprasad
mathmari
Trigonometry Acute angle of right triangles
Replies
4
Views
480
mathmari
mathmari
C
Trigonometry Using laws of sines and cosines to solve for a triangle
Replies
2
Views
332
MarkFL
M
A
Trigonometry Find the volume of the hexagonal-shaped plastic box
Replies
4
Views
431
Prove It
P
A
Find the intersection point for x = -5 + 8t, y = 1 + 10t, z = 9 + 8t ; -2x + 8y + 8z = 10
Replies
1
Views
784
Prove It
P
L
Trigonometry Solve trig equation cos(2x+20)=-cos(x-11)
Replies
5
Views
1K
laprec
L
M
Math Cumulative Review: Find the equation of a Line
Replies
2
Views
1K
HallsofIvy
H
masters
Find the scale factor of triangle ABC to triangle DEF
Replies
5
Views
1K
masters
masters
karush
[SOLVED] -gre.al.1 GRE Exam Integers Product of two integers is -48 but their sum is a positive number
Replies
2
Views
600
karush
karush
Monoxdifly
[ASK] Geometry and Series
Replies
2
Views
524
HallsofIvy
H
Monoxdifly
[ASK] Area of a Triangle
Replies
3
Views
418
Klaas van Aarsen
Klaas van Aarsen
K
Finding 2D Polygon Coordinates from a point
Replies
2
Views
493
Krotus
K
T
The smallest circle that two parts of a semi-circle can fit into?
Replies
1
Views
507
LCKurtz
LCKurtz
Dhamnekar Winod
Maximum area of rectangle which circumscribes the given quadrilateral.
Replies
21
Views
2K
Klaas van Aarsen
Klaas van Aarsen
J
Trigonometry Amplitude, Period, frequency and phase angle
Replies
1
Views
942
skeeter
skeeter
Monoxdifly
[ASK] Equation of a Circle in the First Quadrant
Replies
4
Views
701
Monoxdifly
Monoxdifly
T
Find the missing coordinates
Replies
1
Views
426
skeeter
skeeter
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