10.4-10.6 · Trigonometry: equations and identitiesLesson 3 of 13

Equations with multiple angles

For sin 2x = k, stretch the domain for 2x first, solve for 2x, then halve every answer.

Locked

Unlock the rest of O Level Additional Mathematics: Trigonometry, Series and Vectors (4037).

  • Every lesson, every resource, unlocked instantly.
  • Track progress and pick up where you left off.
  • Free preview lessons stay readable from the outline.

From

BDT 0

Enrol now