Intro to Mathematical Analysis
Trigonometric functions are mathematical functions that relate the angles of a triangle to the lengths of its sides, primarily used in geometry and analysis. They include sine, cosine, tangent, and their reciprocals, cosecant, secant, and cotangent, and they are fundamental in various applications such as modeling periodic phenomena and analyzing waveforms. These functions are also continuous and periodic, making them essential in calculus and series expansions.
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