The angle between the curves `y=sin x and y = cos x, 0 lt x lt (x)/(2)`, is

The angle between the curves y=sin x and y = cos x, 0 lt x lt (pi)/(2) , is

The angle between the curves y=sin x and y = cos x, 0 lt x lt (pi) /(2) , is

The angle between the curves y= sin x and y= cos x is-

The measure of the angle between the curves y=2 sin^(2)x and y = cos 2 x at x=(pi)/(6) is ……….

The angle of intersection between the curves y=[sin x|+cos x| and x^(2)+y^(2)=10 where [x] denotes the greatest integer <=x is

Find the tangent to the curve y = cos (x + y), 0 lt x lt 2 pi which is parallel to the line x + 2y = 0 .