Concepts covered in this course include: standard functions and their graphs, limits, continuity, tangents, derivatives, the definite integral, and the fundamental theorem of calculus. Formulas for ...

A tangent meets a circle at one point and one point only. The angle between a tangent and a radius is a right angle of \(90^\circ\). PT is a tangent and CT is a radius, therefore \(\angle CTP=90^\circ ...