Calculate the exact value of .

MATHEMATICS · Single correct · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Calculate the exact value of sin⁡(−5π6)\sin\left(-\dfrac{5\pi}{6}\right). (a) 12\dfrac{1}{2} (b) −32-\dfrac{\sqrt{3}}{2} (c) −12-\dfrac{1}{2} (d) 32\dfrac{\sqrt{3}}{2}

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