Question

45°and -45° in radians can be written as

Answer 1

┏_________∞◆∞_________┓

✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭

┗_________∞◆∞_________┛

360° = 2π rad

1° = π/180 rad

Therefore,

45° = π/180 × 45

45° = π/4 rad

-45° = 360 - 45 = 315°

315° = π/180 × 315

315° = 7π/4 rad