Concept explainers
Prison searchlight. A dual-beam rotating light n a move set is positioned as a spotlight shining on prison wall. The light is 20 feet from the wall and rotates clockwise. The light shines on point P on the wall when first turned on
When the light beam is to the right of P, the value of d is positive, and when the beam is to the left of P, the value of d is negative.
a. Graph d over the interval
b. Since
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Precalculus: Unit Circle Approach - With Notebook and MyMathLab
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