NAME:________________________________________
Topics in Pre-Calc II – Unit Circle – Exact Value CLASSWORK
DATE:__________
PERIOD:________
DIRECTIONS: Find the exact value of each trig function.
tan(30°)
csc(60°)
cos(−45°)
𝜋
cot ( )
3
sin(𝜋)
𝜋
sec ( )
4
tan(150°)
csc(180°)
cot(−𝜋)
𝜋
tan (− )
6
sin(−270°)
sec (
3𝜋
)
4
cos(−225°)
cot(210°)
sec(0°)
3𝜋
csc( )
4
sec(−𝜋)
tan(390°)
tan(660°)
csc(495°)
17𝜋
)
3
19𝜋
cos(
)
6
tan (
tan (−
sin (
7𝜋
)
4
11𝜋
)
4
𝜋
tan(− )
2
cot(180°)
1 √3
Given the coordinates: ( , − )
2
2
Given the coordinates: (−
Find the angle in radians:
Find the angle in radians:
Given the coordinates: (−1,0)
Find the angle in degrees:
sec (
√3 1
, )
2 2
1 √3
Given the coordinates: ( , )
2 2
Find the angle in degrees:
5𝜋
)
2
Given the coordinates: (0, −1)
Find the angle in radians:
Given the coordinates: (−
Find the angle in degrees:
√2 √2
,− )
2
2