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Automated Lighting, 2nd Edition by Richard Cadena

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APPENDIX B: Useful Formulas

 

Ohms Law:

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Three-Phase Power:

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Trigonometry Formulas

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The triangle above is a right triangle because one of the angles is a right angle (90° angle). Side c is the hypotenuse because it's opposite the right angle. The following trigonometric formulas apply to the right triangle above.

Pythagorean Theorem

Sines and Cosines ...

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