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.