If the sides of the right-angled triangle are labelled 𝑎, 𝑏 and 𝑐 then Pythagoras' theorem can be written as the formula 𝑎² + 𝑏² = 𝑐². Pythagoras' theorem can be used to find the length of line ...

In this video I will cover how to evaluate the six trigonometric functions given a right triangle. We will find the missing side of the triangle using Pythagorean Theorem and then write the ratio for ...