Evaluate in radians.

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

Problem

Evaluate arcsin⁡(12)+arctan⁡(−1)−arccos⁡(−1)\arcsin\left(\dfrac{1}{2}\right)+\arctan(-1)-\arccos(-1) in radians. (a) −π12-\dfrac{\pi}{12} (b) 11π12\dfrac{11\pi}{12} (c) −13π12-\dfrac{13\pi}{12} (d) −7π12-\dfrac{7\pi}{12}

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