24. let t be the smallest positive real number such that the tangent to the helix cos ti +sintj+ k at t =t is orthogonal to 2 the tangent at t = 0 . then the li

24. Let T be the smallest positive real number such that the tangent to the helix cos ti +sintj+ k at t =T is orthogonal to 2 the tangent at t = 0 . Then the line integral of F = xj - yi along the section of the helix from t = 0 to t = T is