Pre-Calculus Index
and links to historical sketches
Curve Bank Home
Trigonometry
J
AVA
Applet for Trig Functions: Interactive, Quiz and Feedback
http://curvebank.calstatela.edu/javatrig2/javatrig2.htm
Sine and Cosine Functions
http://curvebank.calstatela.edu/sine/sine.htm
Applet for the Unit Circle - Interactive with Feedback
http://curvebank.calstatela.edu/trig/trig.htm
Unit Circle
http://curvebank.calstatela.edu/unit/unit.htm
J
AVA
Applet Interactive Trig Functions
http:http://curvebank.calstatela.edu/cs390trig/cs390trig.htm
Polar Graphs
Maplesoft@ Code and Animations
http://curvebank.calstatela.edu/polar/polar.htm
Curves and Code in POVRAY
http://curvebank.calstatela.edu/povray/povray.htm
Parametric Equation Graphs
Maplesoft@ Code and Animations
http://http://curvebank.calstatela.edu/cycloidmaple/cycloid.htm
MATHEMATICA@ Code and Animations
http://curvebank.calstatela.edu/lissajous/lissajous.htm
[Please see the
Index of Curves
for a more complete list.]
Logarithms
Spiral of Jakob (James) Bernoulli
http://curvebank.calstatela.edu/log/log.htm
Geometry: The Circle, Pythagorean Theorem, and Distance Formula
Estimating Distances on a Map
http://curvebank.calstatela.edu/wattenberg2/wattenberg2.htm
Animated Derivation of the Area of a Circle and the Pythagorean Theorem
http://curvebank.calstatela.edu/circle/circle.htm
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The background image is that of René Descartes (1596 - 1650). He was born 46 years before Newton and 50 years before Leibniz. Please see his
Folium
and the historical sketch in
Equiangular Spiral
.
Uploaded March 20. 2004