In this video we are going to work through three examples of simplifying trigonometric expression by using trig identities and algebraic manipulation. The concepts taught in this video will help you ...

What do you think the graph of \(y = \cos 2x^\circ\) would look like? amplitude = 1, so the distance between the maximum and minimum values is 2 number of waves = 2 (period is 360˚ ÷ 2 = 180˚) graph ...