This is pre cal but they didn't give the option. Please help !

2. Find the length of the arc on a circle of radius 50 inches, subtended by an angle of 40. Round your answer to 2 decimal places. Write down the steps leading to your answers. A correct answer that is not defended by any work will earn one point. 3. In what quadrant is an angle a if sin a is negative and cos a is positive? Write down the steps leading to your answer. 4. You are given that u is an angle in the second quadrant and sinn = g. Draw a and a right angle for it. on the coordinate axes below then calculate cos n, tan u, cot a, csc it. and sec u. The space to the left of the coordinate axes may be used for some of your calculations. Write down the steps leading to your answers. A correct answer that is not defended by any work will earn one point