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13

The Joy of Trigonometry

Lecture no. 13 from the course: The Joy of Mathematics

The Joy of Trigonometry

Taught by Professor Arthur T. Benjamin | 31 min | Categories: The Great Courses Plus Online Mathematics Courses

Trigonometry deals with the sides and angles of triangles. This lecture defines sine, cosine, and tangent, along with their reciprocals, the cosecant, secant, and cotangent. Extending these definitions to the unit circle allows a handy measure of angle: the radian.

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