Using a Calculator for Trigonometry
 1. Use your calculator to find:
sin (35^{o})
(to two decimal places)
 2. Use your calculator to find:
sin (25^{o})
(to two decimal places)
 3. Use your calculator to find:
sin (45^{o})
(to two decimal places)
 4. Use your calculator to find:
tan (15^{o})
(to two decimal places)
 5. Use your calculator to find:
tan (55^{o})
(to two decimal places)
 6. Use your calculator to find:
tan (29^{o})
(to two decimal places)
 7. Use your calculator to find:
cos (12.5^{o})
(to two decimal places)
 8. Use your calculator to find:
cos (33.5^{o})
(to two decimal places)
 9. Use your calculator to find:
cos (88^{o})
(to two decimal places)
 10. Use your calculator to find:
sin (41.25^{o})
(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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