Final answer:
The subject of the question is Mathematics, specifically Trigonometry. Option C) Use a calculator to simplify and evaluate trigonometric integrals is the correct answer.
Step-by-step explanation:
The subject of the question is Mathematics, specifically Trigonometry. The question is asking whether using a calculator can simplify and evaluate trigonometric integrals. The answer is option C) Use a calculator to simplify and evaluate trigonometric integrals. A calculator can be used to quickly and accurately compute trigonometric integrals, making it an efficient tool for solving such problems.