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Chapter 4 Trigonometric Functions

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<strong>Trigonometric</strong> <strong>Functions</strong><br />

32.<br />

33.<br />

34.<br />

35.<br />

36.<br />

π radians<br />

− 50°=− 50°⋅<br />

180°<br />

50π<br />

=− radians<br />

180<br />

≈−0.87 radians<br />

π radians<br />

200°= 200°⋅<br />

180°<br />

200π<br />

= radians<br />

180<br />

≈ 3.49 radians<br />

π radians<br />

250°= 250°⋅<br />

180°<br />

250π<br />

= radians<br />

180<br />

≈ 4.36 radians<br />

180<br />

o<br />

2 radians = 2 radians ⋅<br />

π radians<br />

2180 ⋅<br />

o<br />

=<br />

π<br />

≈ 114.59<br />

o<br />

180<br />

o<br />

3⋅180 o<br />

3 radians ⋅ = ≈ 171.89<br />

o<br />

π radians π<br />

41.<br />

42.<br />

43.<br />

44.<br />

37.<br />

38.<br />

39.<br />

40.<br />

π π radians 180<br />

o<br />

radians = ⋅<br />

13 13 π radians<br />

180<br />

o<br />

=<br />

13<br />

≈ 13.85 o<br />

π 180<br />

o<br />

180<br />

o<br />

radians ⋅ = ≈ 10.59<br />

o<br />

17 π radians 17<br />

180<br />

o<br />

− 4.8 radians =−4.8 radians ⋅<br />

π radians<br />

−4.8⋅180<br />

o<br />

=<br />

π<br />

≈−275.02<br />

o<br />

180<br />

o<br />

−5.2⋅180<br />

o<br />

−5.2 radians⋅ =<br />

πradians<br />

π<br />

≈− 297.94<br />

o<br />

45.<br />

46.<br />

47.<br />

492<br />

Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall.

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