The area of the region bounded by the parabola $${(y - 2)^2} = (x - 1)$$, the tangent to the parabola at the point (2, 3) and the X-axis is

The area enclosed by the curves $$y = \sin x + \cos x$$ and $$y = |\cos x - \sin x|$$ over the interval $$\left[ {0,{\pi \over 2}} \right]$$ is

The area of one curvilinear triangle formed by curves y = sin x, y = cos x and X-axis, is