What are the pythagorean identities

The video tutorial introduces the Pythagorean theorem in the context of right triangles and extends this concept to trigonometric functions using the unit circle. It explains how sine, cosine, and tangent relate to the unit circle and derives Pythagorean identities. The tutorial emphasizes the importance of these identities in simplifying equations and solving problems, providing a foundation for further study in trigonometry.

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