Tangents close tangentA straight line that just touches a point on a curve. A tangent to a circle is perpendicular to the radius which meets the tangent. which meet at the same point are the same ...

Find \(\ds \lim_{h\to 0}\frac{f(1+h)-f(1)}{h}\) where \(\ds f(x)=\frac{3x+1}{x-2}\text{.}\) What does the result in (a) tell you about the tangent line to the graph ...

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle ... the Tangent to a Parabola 2.1 An applet illustrating how the tangent to a ...

A tangent to a circle at point P is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is ...