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Trigonometric Functions
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Demonstrations 21  40 of 150
Graphing Elementary Transformations of Basic Functions
Areas of the Lens and Two Lunes of Two Intersecting Circles
The Sum of the Sines of a Sum and Difference of Two Angles
Sum of Sines
Zeros of Truncated Series of Elementary Functions
Inverse Function of a Trigonometric Function Game
Trigonometric Functions for a Right Triangle
Graphs and Sections of Some Polynomial, Exponential, and Trigonometric Functions
Designs for Ribbons and Friezes Based on Trigonometric Functions
Minimum Area between a Semicircle and a Rectangle
Cosine and Sine of the Sum of Two Angles
Derivatives of Trig and Hyperbolic Functions
Basis for Pure Geodetic Angles
A Special Case of the Sum of Two Cosines
Rational Harmonics
Rational Linear Combinations of Pure Geodetic Angles, Part 2
Rational Linear Combinations of Pure Geodetic Angles
Two Visual Proofs of a Basic Trigonometric Identity
Squares of Sine and Cosine
Orthogonality of Sines and Cosines
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