Question: Find the principal value of each expression to the nearest tenth of a degree and then to the nearest hundredth of a radian. a. sin

Find the principal value of each expression to the nearest tenth of a degree and then to the nearest hundredth of a radian.
a. sin -1 0.4665
b. sin -1 (- 0.2471)
c. cos -1 (- 0.8113)
d. cos -1 0.9805

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