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Matching Trig Ratios

Author: Sturdivant Veronica
Description: Without using a calculator or notes finds the correct ratio for each.
Keywords: , , , , , , online teaching

Content:
Definitions:
0. sin 225
1. tan 225
2. sin 120
3. sec 330
4. cot 330
5. cos 300
6. tan 150
7. sin 135
8. csc 30
9. cos 120
10. csc 180
11. sin 240
12. tan 315
13. cos 270
14. csc 330
15. csc 135

Answers:
0. (sqrt 3)/2
1. -1
2. (- sqrt2)/2
3. (-sqrt 3)/3
4. 2
5. 1
6. (-sqrt 3)
7. -2
8. (-sqrt 3)/2
9. (2 sqrt 3) /3
10. undefined
11. (2sqrt 2)/2
12. 0
13. 1/2
14. -1/2
15. (sqrt2) / 2
.