. Use the arc length formula and the given information to find s. Show your work for full credit. (2 points) r = 20 ft 0, -19 s = ? 4. Solve for x. Round your answer to two decimal places. Show your work for full credit. (3 points) 20 20 32 2. Evaluate cot 45 without using a calculator by using ratios in a reference triangle. (3 points) 4. Find the point on the terminal side of 0: = that has an x coordinate of 2. Show your work for full credit. (3 points)