Download csc e = cos e = cos e = cos e = csc e = csc e

Trigonometry
Name
----------------------
For each pOint, sketch the reference triangle and the reference angle ((31.)
Find the value of all G trig functions for
I.
(-8,3)
SIN
e
=
cos e
e
TAN
2.
=
SEC
=
e=
COTe =
(5,-9)
SIN
e
=
cos e
TAN
3.
=
csc e
e
=
=
csc e
=
e
=
SEC
COTe
=
csc e
=
e
=
(-G,-2)
SIN
e
=
cos e
TAN
e
=
=
SEC
COTe =
e
4.
Estimate (Ie without a calculator) the following values by considering the
location of the angle on the unit circle
a.
SIN 22° =
b.
COS 95°
c.
SIN 2550
d.
COS 1900 =
I.
TAN 3 10° =
e.
TAN 175° =
m.
COT 2000
f.
TAN 2GGO =
n.
CSC I G8° =
g.
COT 72° =
o.
TAN (-2GOO)
h.
CSC 354°
p.
SEe 100° =
I.
SIN (- 173°) =
=
J.
COS 3750
=
k.
SEC 130° =
=
=
=
=
5.
Find exact values for by considering the location of the angle on the unit
circle ( notice the reference angles are from the special right triangles)
30°, 45°, GO°
at the "poles"
a.
SIN 120° =
b.
COS 150° =
J
COS 2700 =
c.
SIN 2250 =
k.
SEe 1800 =
d.
COS 240° =
I.
TAN 0° =
e.
TAN 2 10° =
m.
f.
TAN 3 I 50
=
I.
SIN 1800 =
COT 900 =
n.
CSC 2700
=
g.
COT 300° =
o.
TAN 180° =
h.
CSC 3300
p.
SEC 270°
=
=