Instructional Video
Sophia Learning

Sophia: Solving a Pythagorean Identity for Sine: Lesson 4

9th - 10th Standards
This lesson demonstrates how to solve a Pythagorean identity for sine. It is 4 of 7 in the series titled "Solving a Pythagorean Identity for Sine." [2:04]
Instructional Video
Sophia Learning

Sophia: Solving a Pythagorean Identity for Tangent: Lesson 3

9th - 10th
This lesson shows how the Pythagorean Identity can be solved for the tangent function. It is 3 of 6 in the series titled "Solving a Pythagorean Identity for Tangent." [3:10]
Instructional Video
Sophia Learning

Sophia: Solving a Pythagorean Identity for Cosine: Lesson 8

9th - 10th Standards
In this lesson, students will be shown how to solve a Pythagorean identity for cosine. It is 8 of 8 in the series titled "Solving a Pythagorean Identity for Cosine."