Sophia Learning
Sophia: Pythagorean Theorem Proof
Find the area of several figures to prove the Pythagorean theorem. Complete quiz to check understanding. [5:16]
Sophia Learning
Sophia: Relationships of Trigonometric Functions: Lesson 3
Relationships among the six trigonometric functions are explored in this lesson. It is 3 of 4 in the series titled "Relationships of Trigonometric Functions." Includes short quiz. [4:46]