/ 2 \ / 2 \ |/ 2 \ d / d \| | \1 + tan (x)/*|\1 + tan (x)/*--------(floor(tan(x))) + 2*|-----(floor(xi_1))|| *tan(x)| | 2 \dxi_1 /|xi_1=tan(x) | \ dtan(x) /
/ / 3 2 \ 2 \ / 2 \ |/ 2 \ | / d \| / 2 \ d d | / 2 \ / d \| 2 / d \| / 2 \ d | \1 + tan (x)/*|\1 + tan (x)/*|2*|-----(floor(xi_1))|| + \1 + tan (x)/*--------(floor(tan(x))) + 4*--------(floor(tan(x)))*tan(x)| + 2*\1 + tan (x)/*|-----(floor(xi_1))|| + 4*tan (x)*|-----(floor(xi_1))|| + 6*\1 + tan (x)/*--------(floor(tan(x)))*tan(x)| | | \dxi_1 /|xi_1=tan(x) 3 2 | \dxi_1 /|xi_1=tan(x) \dxi_1 /|xi_1=tan(x) 2 | \ \ dtan(x) dtan(x) / dtan(x) /