Algebra & Trigonometry
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Evaluate the expression.
cos−1(−1)\(\cos\)^{-1}\(\left\)(-1\(\right\))
cos−1(0)\(\cos\)^{-1}\(\left\)(0\(\right\))
cos−1(−22)\(\cos\)^{-1}\(\left\)(-\(\frac{\sqrt2}{2}\]\right\))
sin−11\(\sin\)^{-1}1
4:49
