Save guides, add subjects and pick up where you left off with your BBC account. What do you think the graph of \(y = \cos 2x^\circ\) would look like? amplitude = 1, so the distance between the ...

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 ...