Using a Calculator for Trigonometry
- 1. Use your calculator to find:
sin (35o)
(to two decimal places)
- 2. Use your calculator to find:
sin (25o)
(to two decimal places)
- 3. Use your calculator to find:
sin (45o)
(to two decimal places)
- 4. Use your calculator to find:
tan (15o)
(to two decimal places)
- 5. Use your calculator to find:
tan (55o)
(to two decimal places)
- 6. Use your calculator to find:
tan (29o)
(to two decimal places)
- 7. Use your calculator to find:
cos (12.5o)
(to two decimal places)
- 8. Use your calculator to find:
cos (33.5o)
(to two decimal places)
- 9. Use your calculator to find:
cos (88o)
(to two decimal places)
- 10. Use your calculator to find:
sin (41.25o)
(to two decimal places)
- 11. Use your calculator to find:
sin-1 (0.88)
(to two decimal places)
- 12. Use your calculator to find:
sin-1 (0.33)
(to two decimal places)
- 13. Use your calculator to find:
sin-1 (0.251)
(to two decimal places)
- 14. Use your calculator to find:
cos-1 (0.515)
(to two decimal places)
- 15. Use your calculator to find:
cos-1 (0.123)
(to two decimal places)
- 16. Use your calculator to find:
cos-1 (0.75)
(to two decimal places)
- 17. Use your calculator to find:
tan-1 (0.173)
(to two decimal places)
- 18. Use your calculator to find:
tan-1 (0.354)
(to two decimal places)
- 19. Use your calculator to find:
tan-1 (0.276)
(to two decimal places)
- 20. Use your calculator to find:
sin-1 (0.555)
(to two decimal places)
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