In this lessson, students learn to apply the three most important Pythagorean identites and their variations. The lesson covers the following applications of Pythagorean identities:• Evaluating trigonometric functions• Simplifying trigonometric expressions• Verifying or proving other trigonometric identitiesIt includes o 6 solved examples & 6 similar to them for students to try to solve them by their owno guidelines o 21 various and engaging practice problemso answer keys and full solut