1. 29. quadrantal angles.notebook November 26, 2012
0o
sin 0o = csc 0o =
cos 0o =
sec 0o =
tan 0o =
cot 0o =
1

2. 29. quadrantal angles.notebook November 26, 2012
90 o
sin 90o = csc 90o =
cos 90o = sec 90o =
tan 90o =
cot 90o =
2

3. 29. quadrantal angles.notebook November 26, 2012
o
180
sin 180o = csc 180o =
cos 180o = sec 180o =
tan 180o = cot 180o =
3

4. 29. quadrantal angles.notebook November 26, 2012
270o
sin 270 = o csc 270o =
cos 270 = o sec 270o =
tan 270o = cot 270o =
4

5. 29. quadrantal angles.notebook November 26, 2012
1. Draw figures as necessary to find 3 tan 180o.
5

6. 29. quadrantal angles.notebook November 26, 2012
2. Draw figures as necessary to find (a) 4sin270o and (b) 3tan270o.
6

7. 29. quadrantal angles.notebook November 26, 2012
3. Evaluate:
7

8. 29. quadrantal angles.notebook November 26, 2012
Sin Cosine Tangent
o
0
o
30
o
45
o
60
o
90
8