Use a scientific calculator to find the value to 4 decimal ...



Use a scientific calculator to find the value to 4 decimal places.

1. cos (72) 2. sin (35) 3. tan (61)

4. sin (30) 5. cos (30) 6. tan (30)

7. sin (60) 8. cos (60) 9. tan (60)

10. sin (45) 11. cos (45) 12. tan (45)

Write the indicated trigonometric ratio as a fraction.

13. sin A 14. tan B

15. cos A 16. cos B

17. sin D 18. tan E

19. cos E 20. cos D

Solve for the variable. Round to the hundredths place.

21. [pic] 22. [pic] 23. [pic]

24. [pic] 25. [pic] 26. [pic]

27. [pic] 28. [pic] 29. [pic]

Find the values of x and y. Round to the nearest tenth.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

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