Graph the unit circle using parametric equations with your calculator set to radian mode. Use a scale of 
. Trace the circle to find the sine and cosine of 
to the nearest ten-thousandth.
Definitions:
Stator Windings
are the stationary part of an electric motor or generator, consisting of coils wound around a core that generates a magnetic field when electricity is passed through.
Wye Connection
A method of connecting three-phase electrical circuits where the ends of each phase are connected at a single point, forming a Y shape.
Delta Connection
A method of connecting three-phase electrical circuits where the start of each phase is connected to the end of the next, forming a triangle (delta shape).
Diodes
Semiconductor devices that allow current to flow in one direction only, used in various electrical applications.
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