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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
S
Euclidean Geometry - Demonstration Exercise
Replies
1
Views
175
HallsofIvy
H
P
Please help on question 2b.
Replies
1
Views
127
skeeter
skeeter
M
Can you prove the following two difficult trigonometric identities?
Replies
3
Views
502
Exbar15
Exbar15
N
Areas and volumes of solids
Replies
2
Views
141
skeeter
skeeter
B
Trigonometry Proving Two Triangles are Congruent
Replies
3
Views
221
topsquark
topsquark
T
find angl in triangl
Replies
0
Views
224
tato1982
T
S
Scalene Triangle Problem
Replies
1
Views
217
Opalg
Opalg
DaalChawal
Circle touching internally
Replies
1
Views
261
Opalg
Opalg
karush
-7.8.98 amplitude period PS VS graph. of cos eq
Replies
5
Views
469
skeeter
skeeter
karush
[SOLVED] 7.t.27 write eq for a sinusiol graph
Replies
2
Views
159
karush
karush
karush
[SOLVED] 00.43 measure angle KPM
Replies
2
Views
176
karush
karush
karush
[SOLVED] usaf graph y=sin (x) -2
Replies
2
Views
194
karush
karush
karush
Trigonometry -7.8.1 Amp, Period, PS, VS of 3cos(\pi x-2)+5
Replies
5
Views
343
topsquark
topsquark
Lorena_Santoro
Can you find the area of the blue triangle in just 3 minutes?
Replies
2
Views
342
Lorena_Santoro
Lorena_Santoro
K
Trigonometry Proving trigonometric functions
Replies
9
Views
1K
skeeter
skeeter
SLSCoder
How can I get equal columns and rows from a total?
Replies
1
Views
234
SLSCoder
SLSCoder
DaalChawal
Vectors
Replies
3
Views
518
mrtwhs
mrtwhs
G
Find the length x if the shaded area is 1200 cm^2
Replies
3
Views
452
topsquark
topsquark
M
Sinusoidal Functions (I need help)
Replies
4
Views
359
Country Boy
C
M
area of traingle
Replies
5
Views
853
mrtwhs
mrtwhs
Monoxdifly
[ASK] A Line Intercepting A Circle
Replies
4
Views
320
Monoxdifly
Monoxdifly
A
Trigonometry help
Replies
4
Views
519
Prove It
P
M
Sinusoidal
Replies
1
Views
259
topsquark
topsquark
M
Sinusoidal Functions (I need help for this)
Replies
9
Views
318
topsquark
topsquark
M
Sinusoidal Functions (I NEED HELPP)
Replies
3
Views
278
topsquark
topsquark
DaalChawal
Number of principle solutions of the equation
Replies
0
Views
379
DaalChawal
DaalChawal
karush
[SOLVED] gre options for triangle
Replies
2
Views
281
karush
karush
karush
9c trig find x
Replies
7
Views
433
karush
karush
DaalChawal
Doubt
Replies
4
Views
468
DaalChawal
DaalChawal
M
Express X in terms of L1, L2 and L3. Circle within Circle.
Replies
0
Views
383
metole7417
M
R
Finding the Center of a Circle
Replies
3
Views
365
skeeter
skeeter
karush
[SOLVED] ACT.trig.01 What is the period of the function csc 4x
Replies
2
Views
327
karush
karush
karush
[SOLVED] apc.trig.08 quantity choice on y value
Replies
16
Views
386
karush
karush
karush
[SOLVED] act.trig.09 which graph
Replies
1
Views
310
skeeter
skeeter
G
this isn't even funny how hard it is
Replies
3
Views
442
skeeter
skeeter
J
Equation for tangent of the curve
Replies
1
Views
333
skeeter
skeeter
M
How do I calculate the amount from the volume?
Replies
11
Views
428
Math_312 46
M
anemone
Find the area
Replies
10
Views
565
Opalg
Opalg
karush
[SOLVED] ASVAB find angle CAD
Replies
2
Views
422
karush
karush
karush
[SOLVED] ASVAB circle and inscribed rectangle area problem
Replies
6
Views
320
karush
karush
karush
[SOLVED] GRE often missed geometry question
Replies
7
Views
476
karush
karush
B
Solve for x
Replies
5
Views
685
skeeter
skeeter
anemone
Linear combination of sine and cosine function
Replies
3
Views
316
anemone
anemone
A
pls help me
Replies
4
Views
492
Country Boy
C
DaalChawal
Doubt from Parabola
Replies
4
Views
620
DaalChawal
DaalChawal
H
Calculate the radius of the circle
Replies
5
Views
1K
jonah
jonah
H
λ and μ are scalars, find the value of λ and the value of μ
Replies
4
Views
1K
Help seeker
H
H
Area of multiple circles inside a rectangle
Replies
3
Views
504
Help seeker
H
A
Trigonometry circle a equation in a straight line
Replies
8
Views
763
Prakhar
P
R
University Maths HW - Please help
Replies
0
Views
397
radharcnacille
R
N
Outdoor Carpet
Replies
3
Views
389
nycmathdad
N
K
Distance between the centers of two circles
Replies
9
Views
874
Klaas van Aarsen
Klaas van Aarsen
K
Is triangle ANC and isosceles triangle and why
Replies
1
Views
406
skeeter
skeeter
D
Tools of geometry
Replies
2
Views
395
skeeter
skeeter
Monoxdifly
[ASK] Trigonometry Question
Replies
2
Views
343
Monoxdifly
Monoxdifly
S
need help with parallelogram proof
Replies
1
Views
319
Opalg
Opalg
A
trigonometry
Replies
1
Views
371
skeeter
skeeter
F
Design loads in Aerospace
Replies
0
Views
290
Floria
F
G
Finding Angles in Circles
Replies
2
Views
372
Gabe Rebs
G
S
Enlargement and Scale Factor
Replies
1
Views
303
Country Boy
C
K
An application of the law of cosines?
Replies
2
Views
361
Kobzar
K
A
trigonometry on angles
Replies
2
Views
415
topsquark
topsquark
C
Need help on these two questions
Replies
8
Views
535
crystal_h
C
L
Trig identity help ?
Replies
1
Views
336
skeeter
skeeter
L
Stuck on how to work this out?
Replies
1
Views
314
skeeter
skeeter
K
Demonstration of a formula for the ratio between the hypotenuses of two triangles
Replies
2
Views
789
Kobzar
K
C
How does rigid transformation and dilation help with learning Geometry?
Replies
1
Views
409
topsquark
topsquark
A
I need help in this
Replies
1
Views
313
skeeter
skeeter
M
Find Area of Circle
Replies
2
Views
340
mathland
M
S
Proving isosceles using centroid and medians
Replies
1
Views
609
mrtwhs
mrtwhs
R
Square feet calculations assistance
Replies
9
Views
1K
Greg
Greg
karush
[SOLVED] act.ge.5 third angle of triangle
Replies
1
Views
380
skeeter
skeeter
D
Trigonometry sin[1/2 sin−1x]=
Replies
2
Views
469
topsquark
topsquark
rannasquaer
Orthogonal projection
Replies
1
Views
428
Opalg
Opalg
karush
[SOLVED] gre,ge.2 similiar triangles
Replies
3
Views
1K
karush
karush
karush
[SOLVED] act.trig.02 sin theta >= 1
Replies
0
Views
432
karush
karush
S
Angle bisector
Replies
2
Views
496
slwarrior64
S
V
Trigonometry Triangles
Replies
0
Views
493
Voila
V
S
Proving a centroid
Replies
1
Views
394
slwarrior64
S
S
Perpendicular diagonals
Replies
10
Views
677
slwarrior64
S
S
Circumradius
Replies
2
Views
394
slwarrior64
S
S
In similarity chapter
Replies
1
Views
482
Country Boy
C
xyz_1965
Trigonometric Functions
Replies
4
Views
814
topsquark
topsquark
karush
[SOLVED] -gre.ge.11 x,y of fourth corner of diagonal
Replies
3
Views
623
karush
karush
banananaz
How do I find the Euclidean Coordinate Functions of a parametrized curve?
Replies
1
Views
416
Country Boy
C
anemone
Find area of shaded region
Replies
2
Views
522
anemone
anemone
E
Vector question
Replies
1
Views
360
skeeter
skeeter
S
Extrapolating sofa dimensions
Replies
2
Views
452
sofahelp
S
J
Calculate volume of non parallel wedge
Replies
1
Views
416
Klaas van Aarsen
Klaas van Aarsen
anemone
Find the area of triangle
Replies
1
Views
539
kaliprasad
kaliprasad
Monoxdifly
[ASK]Solution Set of a Trigonometry Inequation
Replies
4
Views
455
Monoxdifly
Monoxdifly
J
Trigonometry Right Triangle Problem
Replies
1
Views
396
skeeter
skeeter
xyz_1965
Distance Across Lake
Replies
1
Views
448
Country Boy
C
xyz_1965
Distance Between Two Ships
Replies
1
Views
417
Country Boy
C
asmmanikanda
Trigonometry How to find a length of line in quadrilateral?
Replies
10
Views
714
asmmanikanda
asmmanikanda
xyz_1965
Find x and y
Replies
1
Views
454
Monoxdifly
Monoxdifly
xyz_1965
Law of Tangent Ignored
Replies
14
Views
728
jonah
jonah
xyz_1965
Find Area of Gable
Replies
4
Views
627
xyz_1965
xyz_1965
C
Need help with Trig!! Thanks
Replies
1
Views
332
skeeter
skeeter
xyz_1965
Find Area of Triangle
Replies
2
Views
376
xyz_1965
xyz_1965
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