Textbook Problem

Finding an Equation of a Tangent Line In Exercises 43–50, find an equation of the tangent line to the graph of the function at the given point.

$\begin{array}{ll}\text{Function}\hfill & \text{Point}\hfill \\ y=\sin 8x\hfill & \left(\pi ,0\right)\hfill \end{array}$