Question

Trigonometric Ratios:
Radians, sexagesimal degrees, and trigonometric ratios.
Exercise 1

Answer 1

9514 1404 393

Answer:

  a) π/6

  b) 7π/4

  c) 108°

  d) 405°

Step-by-step explanation:

Multiply by π/180° or 180°/π, as appropriate.

a) 30° = 30π/180 = π/6 radians

b) 315° = 315π/180 = 7π/4 radians

c) 3π/5 × 180°/π = 108°

d) 9π/4 × 180°/π = 405°