Find the altitude angle and azimuth angle of the sun at the following (solar) times and places: March 1st at 10: in New Orleans, latitude 30N. July...

Find the altitude angle and azimuth angle of the sun at the following (solar) times and places:                a. March 1st at 10:00 A.M. in New Orleans, latitude 30◦N.                b. July 1st at 5:00 P.M. in San Francisco, latitude 38◦                c. December 21st at 11 A.M. at latitude 68◦