Question: Use your calculator to find each value, approximated to four decimal places. Then draw diagrams in a unit circle to show the meaning of the

Use your calculator to find each value, approximated to four decimal places. Then draw diagrams in a unit circle to show the meaning of the value. Name the reference angle.
a. sin (-175°)
b. cos 147°
c. sin 280°
d. cos 310°
e. sin (-47°)

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