Chapter 4 Trigonometric Functions

Trigonometric Functions
32.
33.
34.
35.
36.
π radians
− 50°=− 50°⋅
180°
50π
=− radians
180
≈−0.87 radians
π radians
200°= 200°⋅
180°
200π
= radians
180
≈ 3.49 radians
π radians
250°= 250°⋅
180°
250π
= radians
180
≈ 4.36 radians
180
o
2 radians = 2 radians ⋅
π radians
2180 ⋅
o
=
π
≈ 114.59
o
180
o
3⋅180 o
3 radians ⋅ = ≈ 171.89
o
π radians π
41.
42.
43.
44.
37.
38.
39.
40.
π π radians 180
o
radians = ⋅
13 13 π radians
180
o
=
13
≈ 13.85 o
π 180
o
180
o
radians ⋅ = ≈ 10.59
o
17 π radians 17
180
o
− 4.8 radians =−4.8 radians ⋅
π radians
−4.8⋅180
o
=
π
≈−275.02
o
180
o
−5.2⋅180
o
−5.2 radians⋅ =
πradians
π
≈− 297.94
o
45.
46.
47.
492
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