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Pre-University Math
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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
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Trigonometry
Trigonometry to Memorize and Trigonometry to Derive
Ackbach
Jan 28, 2012
Replies
1
Views
12K
Jun 21, 2013
Ackbach
S
Euclidean Geometry - Demonstration Exercise
Samuel Gomes
May 15, 2022
Replies
1
Views
175
May 20, 2022
HallsofIvy
H
P
Please help on question 2b.
Peace
May 9, 2022
Replies
1
Views
127
May 9, 2022
skeeter
M
Can you prove the following two difficult trigonometric identities?
MathTutoringByDrLiang
Mar 23, 2022
Replies
3
Views
502
Apr 19, 2022
Exbar15
N
Areas and volumes of solids
nate12345
Mar 21, 2022
Replies
2
Views
141
Mar 21, 2022
skeeter
B
Trigonometry
Proving Two Triangles are Congruent
bearn
Mar 15, 2022
Replies
3
Views
221
Mar 16, 2022
topsquark
T
find angl in triangl
tato1982
Mar 5, 2022
Replies
0
Views
224
Mar 5, 2022
tato1982
T
S
Scalene Triangle Problem
Samwise-zambeezi
Feb 21, 2022
Replies
1
Views
217
Feb 21, 2022
Opalg
Circle touching internally
DaalChawal
Feb 15, 2022
Replies
1
Views
261
Feb 21, 2022
Opalg
-7.8.98 amplitude period PS VS graph. of cos eq
karush
Dec 15, 2021
Replies
5
Views
469
Feb 9, 2022
skeeter
[SOLVED]
7.t.27 write eq for a sinusiol graph
karush
Feb 8, 2022
Replies
2
Views
159
Feb 9, 2022
karush
[SOLVED]
00.43 measure angle KPM
karush
Feb 6, 2022
Replies
2
Views
176
Feb 7, 2022
karush
[SOLVED]
usaf graph y=sin (x) -2
karush
Jan 29, 2022
Replies
2
Views
194
Jan 29, 2022
karush
Trigonometry
-7.8.1 Amp, Period, PS, VS of 3cos(\pi x-2)+5
karush
Jan 12, 2022
Replies
5
Views
343
Jan 13, 2022
topsquark
Can you find the area of the blue triangle in just 3 minutes?
Lorena_Santoro
Dec 29, 2021
Replies
2
Views
342
Jan 3, 2022
Lorena_Santoro
K
Trigonometry
Proving trigonometric functions
kbr1804
Oct 6, 2021
Replies
9
Views
1K
Oct 28, 2021
skeeter
How can I get equal columns and rows from a total?
SLSCoder
Oct 27, 2021
Replies
1
Views
234
Oct 27, 2021
SLSCoder
Vectors
DaalChawal
Sep 23, 2021
Replies
3
Views
518
Oct 15, 2021
mrtwhs
G
Find the length x if the shaded area is 1200 cm^2
Genica
Jul 14, 2021
Replies
3
Views
452
Sep 29, 2021
topsquark
M
Sinusoidal Functions (I need help)
mathuravasant
Jul 19, 2021
Replies
4
Views
359
Sep 28, 2021
Country Boy
C
M
area of traingle
maxkor
Jul 21, 2021
Replies
5
Views
853
Sep 6, 2021
mrtwhs
[ASK] A Line Intercepting A Circle
Monoxdifly
Aug 19, 2021
Replies
4
Views
320
Aug 20, 2021
Monoxdifly
A
Trigonometry
help
Abdullah Qureshi
Aug 4, 2021
Replies
4
Views
519
Aug 7, 2021
Prove It
P
M
Sinusoidal
mathuravasant
Jul 19, 2021
Replies
1
Views
259
Jul 19, 2021
topsquark
M
Sinusoidal Functions (I need help for this)
mathuravasant
Jul 19, 2021
Replies
9
Views
318
Jul 19, 2021
topsquark
M
Sinusoidal Functions (I NEED HELPP)
mathuravasant
Jul 19, 2021
Replies
3
Views
278
Jul 19, 2021
topsquark
Number of principle solutions of the equation
DaalChawal
Jul 1, 2021
Replies
0
Views
379
Jul 1, 2021
DaalChawal
[SOLVED]
gre options for triangle
karush
Jun 30, 2021
Replies
2
Views
281
Jun 30, 2021
karush
9c trig find x
karush
Jun 26, 2021
Replies
7
Views
433
Jun 26, 2021
karush
Doubt
DaalChawal
Jun 18, 2021
Replies
4
Views
468
Jun 19, 2021
DaalChawal
M
Express X in terms of L1, L2 and L3. Circle within Circle.
metole7417
Jun 13, 2021
Replies
0
Views
383
Jun 13, 2021
metole7417
M
R
Finding the Center of a Circle
Runner74
Jun 9, 2021
Replies
3
Views
365
Jun 9, 2021
skeeter
[SOLVED]
ACT.trig.01 What is the period of the function csc 4x
karush
Jun 7, 2021
Replies
2
Views
327
Jun 7, 2021
karush
[SOLVED]
apc.trig.08 quantity choice on y value
karush
Jun 4, 2021
Replies
16
Views
386
Jun 7, 2021
karush
[SOLVED]
act.trig.09 which graph
karush
Jun 5, 2021
Replies
1
Views
310
Jun 5, 2021
skeeter
G
this isn't even funny how hard it is
gilamonster
May 27, 2021
Replies
3
Views
442
May 27, 2021
skeeter
J
Equation for tangent of the curve
juliehellowell
May 19, 2021
Replies
1
Views
333
May 19, 2021
skeeter
M
How do I calculate the amount from the volume?
Math_312 46
May 17, 2021
Replies
11
Views
428
May 18, 2021
Math_312 46
M
Find the area
anemone
May 8, 2021
Replies
10
Views
565
May 17, 2021
Opalg
[SOLVED]
ASVAB find angle CAD
karush
May 12, 2021
Replies
2
Views
422
May 13, 2021
karush
[SOLVED]
ASVAB circle and inscribed rectangle area problem
karush
May 12, 2021
Replies
6
Views
320
May 12, 2021
karush
[SOLVED]
GRE often missed geometry question
karush
May 5, 2021
Replies
7
Views
476
May 6, 2021
karush
B
Solve for x
bigpoppapump
Apr 23, 2021
Replies
5
Views
685
Apr 25, 2021
skeeter
Linear combination of sine and cosine function
anemone
Apr 21, 2021
Replies
3
Views
316
Apr 22, 2021
anemone
A
pls help me
Abdullah Qureshi
Apr 13, 2021
Replies
4
Views
492
Apr 13, 2021
Country Boy
C
Doubt from Parabola
DaalChawal
Apr 8, 2021
Replies
4
Views
620
Apr 9, 2021
DaalChawal
H
Calculate the radius of the circle
Help seeker
Mar 15, 2021
Replies
5
Views
1K
Apr 3, 2021
jonah
H
λ and μ are scalars, find the value of λ and the value of μ
Help seeker
Mar 17, 2021
Replies
4
Views
1K
Apr 3, 2021
Help seeker
H
H
Area of multiple circles inside a rectangle
Help seeker
Mar 17, 2021
Replies
3
Views
504
Apr 3, 2021
Help seeker
H
A
Trigonometry
circle a equation in a straight line
Abdullah Qureshi
Mar 31, 2021
Replies
8
Views
763
Mar 31, 2021
Prakhar
P
R
University Maths HW - Please help
radharcnacille
Mar 29, 2021
Replies
0
Views
397
Mar 29, 2021
radharcnacille
R
N
Outdoor Carpet
nycmathdad
Mar 27, 2021
Replies
3
Views
389
Mar 28, 2021
nycmathdad
N
K
Distance between the centers of two circles
Kobzar
Mar 14, 2021
Replies
9
Views
874
Mar 15, 2021
Klaas van Aarsen
K
Is triangle ANC and isosceles triangle and why
Kwenz
Mar 8, 2021
Replies
1
Views
406
Mar 8, 2021
skeeter
D
Tools of geometry
DarrayM
Mar 6, 2021
Replies
2
Views
395
Mar 6, 2021
skeeter
[ASK] Trigonometry Question
Monoxdifly
Mar 4, 2021
Replies
2
Views
343
Mar 5, 2021
Monoxdifly
S
need help with parallelogram proof
sc00t34
Mar 3, 2021
Replies
1
Views
319
Mar 4, 2021
Opalg
A
trigonometry
Abdullah Qureshi
Mar 2, 2021
Replies
1
Views
371
Mar 2, 2021
skeeter
F
Design loads in Aerospace
Floria
Mar 2, 2021
Replies
0
Views
290
Mar 2, 2021
Floria
F
G
Finding Angles in Circles
Gabe Rebs
Feb 28, 2021
Replies
2
Views
372
Feb 28, 2021
Gabe Rebs
G
S
Enlargement and Scale Factor
Sonnet
Feb 25, 2021
Replies
1
Views
303
Feb 26, 2021
Country Boy
C
K
An application of the law of cosines?
Kobzar
Feb 23, 2021
Replies
2
Views
361
Feb 23, 2021
Kobzar
K
A
trigonometry on angles
Abdullah Qureshi
Feb 18, 2021
Replies
2
Views
415
Feb 18, 2021
topsquark
C
Need help on these two questions
crystal_h
Feb 10, 2021
Replies
8
Views
535
Feb 13, 2021
crystal_h
C
L
Trig identity help ?
Lyete369
Feb 10, 2021
Replies
1
Views
336
Feb 10, 2021
skeeter
L
Stuck on how to work this out?
Lyete369
Feb 10, 2021
Replies
1
Views
314
Feb 10, 2021
skeeter
K
Demonstration of a formula for the ratio between the hypotenuses of two triangles
Kobzar
Feb 7, 2021
Replies
2
Views
789
Feb 10, 2021
Kobzar
K
C
How does rigid transformation and dilation help with learning Geometry?
Cbarker1
Jan 31, 2021
Replies
1
Views
409
Jan 31, 2021
topsquark
A
I need help in this
Abdullah Qureshi
Jan 30, 2021
Replies
1
Views
313
Jan 30, 2021
skeeter
M
Find Area of Circle
mathland
Jan 27, 2021
Replies
2
Views
340
Jan 28, 2021
mathland
M
S
Proving isosceles using centroid and medians
slwarrior64
Nov 4, 2020
Replies
1
Views
609
Jan 14, 2021
mrtwhs
R
Square feet calculations assistance
riffwraith
Dec 11, 2020
Replies
9
Views
1K
Jan 14, 2021
Greg
[SOLVED]
act.ge.5 third angle of triangle
karush
Dec 12, 2020
Replies
1
Views
380
Dec 13, 2020
skeeter
D
Trigonometry
sin[1/2 sin−1x]=
DUC_123
Dec 8, 2020
Replies
2
Views
469
Dec 9, 2020
topsquark
Orthogonal projection
rannasquaer
Dec 7, 2020
Replies
1
Views
428
Dec 7, 2020
Opalg
[SOLVED]
gre,ge.2 similiar triangles
karush
Jan 31, 2020
Replies
3
Views
1K
Nov 20, 2020
karush
[SOLVED]
act.trig.02 sin theta >= 1
karush
Nov 19, 2020
Replies
0
Views
432
Nov 19, 2020
karush
S
Angle bisector
slwarrior64
Nov 14, 2020
Replies
2
Views
496
Nov 15, 2020
slwarrior64
S
V
Trigonometry
Triangles
Voila
Nov 8, 2020
Replies
0
Views
493
Nov 8, 2020
Voila
V
S
Proving a centroid
slwarrior64
Nov 4, 2020
Replies
1
Views
394
Nov 6, 2020
slwarrior64
S
S
Perpendicular diagonals
slwarrior64
Oct 29, 2020
Replies
10
Views
677
Oct 31, 2020
slwarrior64
S
S
Circumradius
slwarrior64
Oct 29, 2020
Replies
2
Views
394
Oct 30, 2020
slwarrior64
S
S
In similarity chapter
slwarrior64
Oct 22, 2020
Replies
1
Views
482
Oct 24, 2020
Country Boy
C
Trigonometric Functions
xyz_1965
Jul 27, 2020
Replies
4
Views
814
Oct 13, 2020
topsquark
[SOLVED]
-gre.ge.11 x,y of fourth corner of diagonal
karush
Oct 4, 2020
Replies
3
Views
623
Oct 11, 2020
karush
How do I find the Euclidean Coordinate Functions of a parametrized curve?
banananaz
Sep 28, 2020
Replies
1
Views
416
Sep 28, 2020
Country Boy
C
Find area of shaded region
anemone
Sep 26, 2020
Replies
2
Views
522
Sep 26, 2020
anemone
E
Vector question
Ecdownes
Sep 26, 2020
Replies
1
Views
360
Sep 26, 2020
skeeter
S
Extrapolating sofa dimensions
sofahelp
Sep 3, 2020
Replies
2
Views
452
Sep 4, 2020
sofahelp
S
J
Calculate volume of non parallel wedge
jasonmcbride
Sep 2, 2020
Replies
1
Views
416
Sep 3, 2020
Klaas van Aarsen
Find the area of triangle
anemone
Aug 15, 2020
Replies
1
Views
539
Aug 16, 2020
kaliprasad
[ASK]Solution Set of a Trigonometry Inequation
Monoxdifly
Aug 13, 2020
Replies
4
Views
455
Aug 14, 2020
Monoxdifly
J
Trigonometry
Right Triangle Problem
Jacob123
Aug 13, 2020
Replies
1
Views
396
Aug 13, 2020
skeeter
Distance Across Lake
xyz_1965
Jul 29, 2020
Replies
1
Views
448
Aug 12, 2020
Country Boy
C
Distance Between Two Ships
xyz_1965
Jul 29, 2020
Replies
1
Views
417
Aug 12, 2020
Country Boy
C
Trigonometry
How to find a length of line in quadrilateral?
asmmanikanda
Aug 8, 2020
Replies
10
Views
714
Aug 9, 2020
asmmanikanda
Find x and y
xyz_1965
Jul 27, 2020
Replies
1
Views
454
Aug 4, 2020
Monoxdifly
Law of Tangent Ignored
xyz_1965
Jul 29, 2020
Replies
14
Views
728
Aug 4, 2020
jonah
Find Area of Gable
xyz_1965
Jul 31, 2020
Replies
4
Views
627
Jul 31, 2020
xyz_1965
C
Need help with Trig!! Thanks
charki126
Jul 30, 2020
Replies
1
Views
332
Jul 30, 2020
skeeter
Find Area of Triangle
xyz_1965
Jul 29, 2020
Replies
2
Views
376
Jul 29, 2020
xyz_1965
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