If \(cos^{-1}x=y\), then which of the following is correct?
Posted: Wed Jul 13, 2022 8:06 pm
a) 0 ≤ y ≤ π
b) 0 < y < π
c) –\(\frac{π}{2}≤y≤\frac{π}{2}\)
d) –\(\frac{π}{2}<y<\frac{π}{2}\)
b) 0 < y < π
c) –\(\frac{π}{2}≤y≤\frac{π}{2}\)
d) –\(\frac{π}{2}<y<\frac{π}{2}\)