## Identities and Equations- Harmonic Formulae

**7 Uploads**

**1 / 7: The identity Asin(x) + Bcos(x) = Rsin(x+a) : ExamSolutions Maths Revision**

**2 / 7: The identity Asin(x) - Bcos(x) = Rsin(x-a) : ExamSolutions Maths Revision**

**3 / 7: The identity Acos(x) + Bsin(x) = Rcos(x-a) : ExamSolutions Maths Revision**

**4 / 7: The identity Acos(x) - Bsin(x) = Rcos(x+a) : ExamSolutions Maths Revision**

**5 / 7: Trigonometry Equations : A sin x - B cos x = C Type : ExamSolutions**

**6 / 7: Trigonometry Equations : A cos x - B sin x = C Type : ExamSolutions**

**7 / 7: Trig. Identities - Harmonic Form - Max and Min Values (Part 2) : ExamSolutions Maths Revision**