Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
S
Evaluate sine, cosine, tangent of -7pi/3 without calculator
Replies
4
Views
21K
smsmith
S
S
Exact value of the six functions given
Replies
4
Views
2K
smsmith
S
P
trig identities: simplify cscX (1-cos^2X)(cotX), etc
Replies
2
Views
6K
Pk designs
P
T
solving linear systems of equations using matrices
Replies
2
Views
2K
pka
pka
A
Proving trig identities: sec x + csc x = (1 + tan x)/sin x
Replies
1
Views
4K
arthur ohlsten
A
A
Triginometric eqns: 5 - 7sin x = 2cos^2 x on [0, 2pi]
Replies
2
Views
2K
arthur ohlsten
A
S
Solving triangle: A train travels 3.5 km on a straight track
Replies
4
Views
9K
stapel
stapel
W
Right Angle Trigonometry: graph of y = tan x
Replies
1
Views
2K
stapel
stapel
E
Exploring Angles: true or false: all right angles are congru
Replies
4
Views
5K
emmaiskool242
E
S
Identity for Cos4x
Replies
3
Views
4K
galactus
G
S
cos4x again.....
Replies
2
Views
3K
soroban
S
K
vector word problems.... i and j units
Replies
0
Views
3K
k9fireman
K
A
Tricky word prob. from trig class: A train rolls down a trac
Replies
5
Views
3K
tkhunny
tkhunny
2
point (2, k) lies on (x-3)^2 + (y-4)^2 = 16; find k
Replies
5
Views
4K
2Advanced
2
W
Trigonometry: A regular octagon is inscribed in a circle of
Replies
6
Views
15K
galactus
G
C
verifying trig identity: (CosX+1)/(tan^2x) = (CosX)/(secX-1)
Replies
3
Views
6K
Mrspi
M
G
Eqn of Circle Circumscribing Triangle w/ vertices at
Replies
3
Views
2K
Denis
D
G
Find Angle For Pilot: A plane is flying from Anchorage to Fa
Replies
5
Views
2K
Mrspi
M
A
Perform the calculation: 90° - 74° 57' 15"
Replies
8
Views
9K
skeeter
skeeter
R
Verify Trig. Identity: cos(-x) / 1+tan(-x) - sin(-x) / 1+cot
Replies
3
Views
2K
rebmik
R
You must log in or register to post here.
Top