In this math tutorial I am going to work through three rational trigonometric expressions to show you how to simplify them ...

👉 Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that ...

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 ...