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12-91.

Without using a calculator, solve each equation below in the domain . Homework Help ✎

  1. Reference the unit circle to help solve this problem.
    For which angle(s) in the circle does .

  1. Solve the equation for .

    For which angle(s) in the unit circle does ?

  1. Refer to part (a).

  1. How would you solve
    In this case sin.

no calculator