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

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