Trigonometry
Determine the exact value of the given inverse trigonometric function without using a calculator.
y=sin−1(−22)y=\sin^{-1}\left(-\frac{\sqrt2}{2}\right)y=sin−1(−22)
y=π4y=\frac{\pi}{4}y=4π
y=−π3y=-\frac{\pi}{3}y=−3π
y=−π4y=-\frac{\pi}{4}y=−4π
y=−π6y=-\frac{\pi}{6}y=−6π