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Trigonometric Functions
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Demonstrations 1  20 of 148
First and Second Derivatives of a Periodic Function Using Discrete Fourier Transforms
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Spinning Out Sine and Cosine
Boole Differential Equation with Continued Fractions
Spherical Triangle Solutions
Mapping Rectangles by the Elementary Transcendental Functions
How the Trigonometry Functions Are Related
Euler's Estimate of Pi
Sine and Cosine Helix
Illustrating Cosine with the Unit Circle II
A Library of Functions with Transformations
Trisecting an Angle Using a Lemniscate
Sine and Cosine in 3D
Archimedes' Approximation of Pi
Sine, Cosine, and Tangent Using Ratios of Sides of a RightAngled Triangle
Function Identification Game
Trigonometry in Quadrant I
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
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