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Trigonometric Identities

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Videos and lessons with examples and solutions to help High School Algebra 2 students learn about trigonometric identities.

Deriving Trigonometric Identities from Known Identities - This video shows that if you know about 2 or 3 identities and a few definitions, you can actually derive lots of other trigonometric identities easily!

Introduction to trigonometric identities

Trig Identities Part 2

Trig Identities Part 3

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