A Review of Trigonometry (5.1.1)

Question 1

What does the Pythagorean theorem relate?

Answer 1

• The Pythagorean theorem relates the sides of a right triangle. Each trigonometric function matches the ratio of two sides of a right triangle to one of the angles.

Question 2

What is the Pythagorean Identity?

Answer 2

• The Pythagorean identity is sin^2(x) + cox^2(x) = 1.