Practice and Problem-Solving Exercises

A Practice

See Problem 1.

For Δ F G H cap delta f g h  and Δ L M N , cap delta l m n comma  find the value of each expression.

8. sin F sine f
9. cos F cosine f
10. tan G tangent g
11. cos L cosine l
12. tan M tangent m
13. sin M sine m
14. tan F tangent f
15. sin G sine g

16. tan L tangent l

See Problem 2.

Find the value of each expression. Round to the nearest ten-thousandth.

17. sin 10 ° sine , 10 degrees
18. tan 25 ° tangent , 25 degrees
19. cos 85 ° cosine , 85 degrees
20. tan 12 ° tangent , 12 degrees
21. sin 70 ° sine , 70 degrees
22. cos 22 ° cosine , 22 degrees
23. sin 71 ° sine , 71 degrees
24. tan 30 ° tangent , 30 degrees

See Problem 3.

Find the value of x to the nearest tenth.

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