Tim Gan Math
Sign up free

Trigonometry - Compound and Double-Angle Identities

Trigonometry - Compound and Double-Angle Identities

Prove \(\frac{2 \sin A - \sin 2A}{2 \sin A + \sin 2A} = \tan^2 \frac{A}{2}\).

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs a course plan.

Create free accountSign inGet the A Math course · from S$39.98/mo

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Create free accountSign inGet the A Math course · from S$39.98/moA Math tuition

Create a free account to practise similar questions.

Create free accountSign inGet the A Math course · from S$39.98/moA Math tuition

Need help? Join our A-Maths tuition classes.

Learn more