Radians and degrees Problem set A Answers

5π/4 = 225°; 11π/6 = 330°; 2π/3 = 120°; 150° = 5π/6; 210° = 7π/6; 315° = 7π/4

1. (a) \(-\frac{5\pi}{6}\)
2. (b) \(\frac{7\pi}{3}\)
3. (c) \(-\frac{13\pi}{4}\)
4. (d) \(\frac{50\pi}{9}\)

1. (a) \(72^\circ\)
2. (b) \(-315^\circ\)
3. (c) \(780^\circ\)
4. (d) \(-465^\circ\)

1. (a) \(1.31\) rad
2. (b) \(120^\circ\)
3. (c) \(−229^\circ\)

1. (a) \(\frac{13\pi}{2}\) radians
2. (b) 3.25 turns

1. (a) 2.80 radians
2. (b) \(160^\circ\)

1. (a) \(150^\circ\)
2. (b) \(\frac{5\pi}{6}\)

\(\frac{6\pi}{5}\), 220°, 3.9 radians (smallest to largest)

1. (a) \(−430^\circ\)
2. (b) 1 full turn clockwise