What is the area between y=cos(x)y = \cos(x)y=cos(x) and y=sin(x)y = \sin(x)y=sin(x) on [0,π4][0, \frac{\pi}{4}][0,4π]?
1−21 - \sqrt{2}1−2
2−1\sqrt{2} - 12−1
2−22 - \sqrt{2}2−2
2−2\sqrt{2} - 22−2