This page is a sub-page of our page on Complex Numbers.
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Related KMR-pages:
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Books:
• Trigonometric Delights, Eli Maor, 2002 (1998).
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Other related sources of information:
• List of trigonometric identities (at Wikipedia)
• What is a Fourier series (Explained by drawing circles)
• But what is a Fourier series? From heat flow to circle drawings
• Euler’s formula with introductory group theory
• An alternative introduction to trigonometry, by sudgylacmoe on YouTube.
• Mathbabe: Fuck Trigonometry
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The interactive simulations on this page can be navigated with the Free Viewer
of the Graphing Calculator.
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ROLE: Widget bundle on Trigonometry
using the OpenApp protocol:
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Radians
The radian angle measure:
Explaining the radian angle measure:
Interactive simulation of the Radian angle measure.
Trigonometry:
The Sin and Cos functions:
Interactive simulation of the Sin and Cos functions.
Interactive simulation of the Sin and Cos functions extended.
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A planar electromagnetic wave:
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A trigonometric inequality:
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Trig-slide-22:
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A trigonometric inequality – in polar coordinates:
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Another trigonometric inequality – in polar coordinates:
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Complex sin:
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