In a function such as sine or cosine, we could also have a translation of the form: \(y = \sin (x - a)^\circ\) where \(a\) is called the phase angle. This is when the graph of the function has ...

can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three trigonometric ratios and function machines is essential. For a right-angled ...