Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
H
Question congruent nonright triangles?
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1
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2K
morson
M
R
need a formula for this triangle
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7
Views
3K
Deleted member 4993
D
V
obtuse triangle help
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7
Views
3K
Denis
D
H
any helpful hints for avoiding nerves on my test?
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8
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4K
volleyball_chick
V
M
Simplifying (2asin@cos@)^2+a^2(cos^2@-sin^2@)^2=a^2
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4
Views
3K
soroban
S
T
Solve f(x) = x^2 + 2x + 7 in simplest a + bi form
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10
Views
6K
morson
M
R
Find number of solns to 2 sin x = cos x in (0, 90)
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11
Views
5K
merlin2007
M
R
Are these problems a challenge to others as they are for me?
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4
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2K
rainyday2003
R
A
find distance from 4th corner, given distances from other 3
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3
Views
2K
Denis
D
J
Find Eqn for sine fcn w/ amplitude 1/2, period 3pi/2, and...
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1
Views
3K
tkhunny
tkhunny
A
To find the shaded area ithts all it syas need hlep
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4
Views
2K
arthurhernandez123
A
M
Sketch two periods of the function y = 2 tan 2x
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6
Views
7K
stapel
stapel
H
How much money did she invest in each account?
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5
Views
3K
Mrspi
M
D
Find length of arc, given angle measure and radius
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3
Views
2K
pka
pka
D
Find measure of angle O, given length of intercepted arc
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1
Views
2K
skeeter
skeeter
H
Right Triangle, need help solving side a opposite angle A
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2
Views
2K
Deleted member 4993
D
B
ln 4 + ln x = 3; i would really appreciate some help.
Replies
3
Views
2K
jonboy
J
J
Help verifying Trig Identity: Sin2x = 2CotXSin^2x
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4
Views
9K
tkhunny
tkhunny
S
Trig Word Problem: Find the longitude of Pontiana
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3
Views
2K
tkhunny
tkhunny
J
[SPLIT] how do I find Sin75 using half-angle identity?
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1
Views
3K
morson
M
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