AP Precalculus Quiz
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TRIGONOMETRIC AND POLAR FUNCTIONS
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A rotating beacon's intensity model uses the expression I(θ)=sin⁡θcos⁡θI(\theta)=\sin\theta\cos\theta, where θ\theta is measured in radians. A technician rewrites the model using a single trigonometric function to simplify computations. Use exactly one standard identity and do not approximate. The angle variable remains in radians throughout. Using the identity, simplify the expression for I(θ)I(\theta).​
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