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Easy Peasy Trigonometry and Precalculus
Found a problem? Check here. Credits: 1 Prerequisite: Geometry, Algebra 2 Recommended: 11th, 12th Test Prep: CLEP exam Course Description: This course offers a quarter (45 lessons) of trigonometry …
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PhET: Circuit Construction Kit: DC
Experiment with an electronics kit! Build circuits with batteries, resistors, ideal and non-Ohmic light bulbs, fuses, and switches. Determine if everyday objects are conductors or insulators, and take measurements with an ammeter and voltmeter. View the circuit as a schematic diagram, or switch to a lifelike view.
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