Trigonometry: Compound and Double Angles
Gr 12

In this chapter miss Pythagoras explains the following in detail:

• Identities and reduction formulae Revision

• Compound angle for cos( A - B )

• Compound angle for cos( A + B )

• Compound angle for sin ( A - B )

• Compound angle for sin ( A + B )

• Double angles sin2A and cos2A