If \(cos^{-1}⁡x=y\), then which of the following is correct?

• A. 0 ≤ y ≤ π
• B. 0 < y < π
• C. –\(\frac{π}{2}≤y≤\frac{π}{2}\)
• D. –\(\frac{π}{2}<y<\frac{π}{2}\)