Find [5(cos 75° + i sin 75°)]⁴ using DeMoivre's Theorem. Express the answer in rectangular form.

• A. - (625√3)/2 + 625i/2
• B. (625√2)/2 - 625i
• C. 625 + (625i√2)/2
• D. 625/2 - (625i√3)/2

Answer: (D)