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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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Given that ABCD is a rectangle with AP= 40cm, BP=24 cm and CP=60 cm.
randy.lahey
Jan 20, 2017
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3K
Jan 20, 2017
randy.lahey
R
K
Pi confusion: how could it be an irrational number when...?
Khan Nawab
Jan 20, 2017
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2
Views
1K
Jan 20, 2017
HallsofIvy
H
M
Trig Question: if f(x)=sec(x) and if tan(x)=1 what is the value of (f*f)(x) ?
MJFan
Jan 19, 2017
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5
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3K
Jan 19, 2017
ksdhart2
K
N
Just a couple questions. "△ABC△ABC is similar to △QRS△QRS by the AA Similarity...."
Notsogeo
Jan 18, 2017
Replies
2
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5K
Jan 18, 2017
ksdhart2
K
L
Solve for β to the nearest tenth of a radian for [0,2pi): 2+tanβ = cotβ.
Lindab
Jan 16, 2017
Replies
4
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2K
Jan 18, 2017
ksdhart2
K
C
Proof: Given: Segment PA is congruent to Segment KA and Segment LA is congruent to...
CircusBabyBallora
Jan 17, 2017
Replies
2
Views
1K
Jan 17, 2017
pka
A
Show that cotθ = (sqrt(1 - x^2))/x please help
alex1234
Jan 8, 2017
Replies
3
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3K
Jan 16, 2017
alex1234
A
E
Real World Vector and Trig Issue
En1gma
Jan 16, 2017
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5
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1K
Jan 16, 2017
HallsofIvy
H
T
"Bearing" question - finding distance between two objects
tantrik
Jan 16, 2017
Replies
1
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2K
Jan 16, 2017
Deleted member 4993
D
J
Ampitude of a wave: f(t)= cos(t)+sin(t+(pi/4))
J.T
Jan 14, 2017
Replies
3
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1K
Jan 15, 2017
J.T
J
F
Triangle Proportionality Theorem Help?
ferrari
Jan 14, 2017
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3
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1K
Jan 15, 2017
Harry_the_cat
Y
Monstrous equation
yairmrm
Jan 14, 2017
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3
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1K
Jan 14, 2017
Deleted member 4993
D
C
Trig. fun problem solving: Decide sin^3 x + cos^3 x in terms of/ if sin x + cos x = a
cosine
Jan 13, 2017
Replies
4
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1K
Jan 14, 2017
pka
P
Proving equations using sin, cos and tan: (1+tanx)/(sinx+cosx) = 1/cosx
paleksandra
Jan 11, 2017
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4
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1K
Jan 13, 2017
Deleted member 4993
D
L
Trigonometria: The pendulum of a grandfather clock consists of a circular disc....
limar
Jan 11, 2017
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2
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1K
Jan 13, 2017
stapel
N
Dividing a Trapezoid horizontally in 2 equal parts
noznoz159
Jan 12, 2017
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0
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3K
Jan 12, 2017
noznoz159
N
A
2d game geometry
andrewjb123
Jan 10, 2017
Replies
4
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1K
Jan 11, 2017
andrewjb123
A
B
Problem involving cos + sin: express 5cos(3t) + 12sin(3t) as "A cos(wt + a)"
Bazoya
Jan 11, 2017
Replies
2
Views
884
Jan 11, 2017
HallsofIvy
H
M
summ of trig functions (how to and where)
migadrenaline
Jan 11, 2017
Replies
1
Views
597
Jan 11, 2017
Deleted member 4993
D
B
Problem involving double cosine: 3cos(2θ) = -1.6 0 ≤ θ ≤ π
Bazoya
Jan 11, 2017
Replies
1
Views
593
Jan 11, 2017
pka
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