math

Evaluate.
1. sin^-1(-1/2)
2. cos^-1[(-root 3)/2]
3. arctan[(root3)/3]
4. cos(arccos2/3)
5. arcsin(sin 2pi)
6. sin(arccos 1)

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  1. I will be happy to critique your thinking or work.

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    bobpursley
  2. I got these values as my answers:
    1. -pi/6
    2. 5pi/6
    3. pi/6
    4. 2/3
    5. 2pi
    6. 0

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