6. Find the exact value of each of the following using the special triangles, the unit circle, or
both. In each case, state the reference angle (ϴR) and the quadrant in which the angle
terminates. Write the ratio in reduced fractional form with a rationalized denominator if
necessary.
1. sin (−5𝜋/2)
a. Quadrant: ____
b. ϴR = ____
c. Exact Value: ____
a. Quadrant: QIII
b. ϴR = π/2
c. Exact Value: 1