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Trigonometry
Worksheet 6.2.1
Name______________
Find the exact values of the 6 trigonometric functions from the given point on the unit circle.
 3 1
1.) P = 
, 
 2 2
 2 21 
2.) P =   ,

 5 5 
Find the exact values of each.
3.)
cos 135˚
4.) sin 210˚
6.)
cos π
7.) sin
9.)
sin −90˚
10.) sec 270˚
11
6
5.) tan 60˚
8.) cot

2
11.) sin 
Find the exact values of each expression.
12.) sin 45˚+ cos 60˚
15.) 2sin


− 3tan
3
6
13.) sin 90˚+ tan 45˚
16.) csc


+ cot
2
2
14.) sin 45˚(cos 45˚)
17.) csc 45˚ tan 60˚
Trigonometry
Worksheet 6.2.2
Find the exact value of the 6 trig functions (find reference angle and use the chart).
1.)
2
3
2.) 210°
3.)
3
4
4.) 405°
Use a calculator to find the approximate value (rounded to three decimal places) of:

 
5.) sin 28 =
6.) sec 21 =
7.) tan   =
8.) cot =
12
 10 
Find the exact values of each of the six trigonometric functions of an angle with point (x, y) on its
terminal side.
Plot the point, draw the angle and then use the Pythagorean Theorem to find the hypotenuse.
9.) (–3, 4)
10.) (5, 12)
11.) (2, –3)
12.) (–1, –2)