4. Trigonometry

4.01 Using the Addition Formulae to find sin(2x)

4.02 Using the Addition Formulae to find cos(2x)

4.03 Using the Addition Formulae to find tan(2x)

4.04 Given sin(x), find cos(x), tan(x), sin(2x), cos(2x) and tan(2x)

4.05 Solving an equation using trig formulae

4.06 Proving an identity using trig formulae

4.07 Integrating (sin(x))^2

4.08 Integrating (cos(3x))^2

4.09 Express 2sin(x) + 3cos(x) in the form Rsin(x+alpha)

4.10 Solve 4cos(x) + 3sin(x) = 2