Question

Find the exact value for √[7(cos π/12 sin π/12 i)]. Box or circle the final answer.
a) 7/2 + 2 * 7/2 i
b) 7/2 - 2 * 7/2 i
c) 14/2 + 2 * 14/2 i
d) 14/2 - 2 * 14/2 i