Question: Find the exact value of the expression. 1. arcsin (-1 / 2) 2. arcsin (-1) 3. arcos (-2 / 2) 4. arccos 2 / 2

Find the exact value of the expression.
1. arcsin (-1 / 2)
2. arcsin (-1)
3. arcos (-√2 / 2)
4. arccos √2 / 2
5. cos-1 1
6. cos-1 √3 / 2

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