label the sides on the triangle decide which ratio to use (SOH CAH TOA) substitute the correct information into the ratio rearrange to find '\(x\)' solve using your calculator making sure your ...

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 ...

as the fundamental formulae of trigonometry are based upon the assumption that the Pythagorean Theorem is true—an example of circular reasoning. Nevertheless, both Johnson and Jackson managed to ...