Please show your work.

3. Given the function r = J50 sin 0). 1r '6. (b) Sketch the curve of the given function and the tangent line at the point given in (a). Make sure to identify important markers on the graph of the curve and to properly place the point on the curve. Give the name of the curve. (a) Find the slope of the tangent line to the given function at 9 =