AQA A Level Maths: Pure复习笔记5.6.1 Compound Angle Formulae

Compound Angle Formulae

What are the compound angle formulae?

  • There are six compound angle formulae (also known as addition formulae), two each for sin, cos and tan:
  • For sin the +/- sign on the left-hand side matches the one on the right-hand side

Exam Tip

  • All these formulae are in the formulae booklet – you don't have to memorise them.

Worked Example

5.6.1-Comp-Angle-Forms-Example

 

 

 

 

 

 

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