Point of Tangency. Point of tangency can be defined with the help of a curve and a Tangent drawn to it. Whenever a tangent is drawn to any curve it touches the curve at a particular Point, that point is known as point of tangency.The word point of tangency has a number of applications in its own.A curve may have one or more than one point of tangency.henever a tangent is drawn to any curve it touches the curve at a particular Point, that point is known as point of tangency. The word point of tangency has a number of applications in its own. A curve may have one or more than one point of tangency.
The third category of managerial roles according to Mintzberg is called decisional roles. Decisional roles include roles such as the entrepreneur, disturbance-handler, resource-allocator and negotiator. All of these roles involve the process of using information to make decisions.
Management expert Professor Henry Mintzberg has argued that a managerâs work can be boiled down to ten common roles. According to Mintzberg, these roles, or expectations for a managerâs behavior, fall into three categories: informational (managing by information), interpersonal (managing through people), and decisional (managing through action). This chart summarizes a managerâs ten roles: