Section 6.2
Trigonometric Functions
Unit Circle Approach;
OBJECTIVE 1
1 2 6Let be a real number and let = , be a point
5 5
on the unit circle that corresponds to .
Find the values of sin , cos , tan , csc , sec , and cot .
t P
t
t t t t t t
OBJECTIVE 2
(a) sin(5) (b) cos(–540°)
OBJECTIVE 3
23
(a) sin180 cos 45 (b) sin cos sin (c) csc tan4 2 4 4
OBJECTIVE 4
OBJECTIVE 5
Find: (a) cos135 (b) tan (c) sin 3154
7 2Find: (a) tan (b) sin ( 120 ) (c) cos
6 3
OBJECTIVE 6
(a) cos 48 (b) tan (c) sec10 12
OBJECTIVE 7
(-3, 3)
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