2. a. Use a zooming technique to estimate the slope of the curve y = sin x at the point (0, 0). Begin with a window of [-1,1 x [-1,1 and then zoom in on the curve until it appears to be straight. Record the graphing window, then find two points on the curve in the graphing window and compute the corresponding slope. Record your work in the table below. Zoom in on the curve at least two more times until you are reasonably confident that you have a good estimate of the slope of the curve at (0, 0). Graphing window Points on the curve | Slope b. Determine the equation of the line tangent to y = sin x at (0, 0). Then graph the curve y = sin x and tangent line using the window [-1,1]x [-1,1]