prove cos2a + sin2a + 2sin^2a = (sina=cosa)^2 July 13, 2020/in /by admin prove cos2a + sin2a + 2sin^2a = (sina=cosa)^2 "Is this question part of your assignment? We can help" ORDER NOW https://topnursingassignments.com/wp-content/uploads/2020/07/log-1-300x75.png 0 0 admin https://topnursingassignments.com/wp-content/uploads/2020/07/log-1-300x75.png admin2020-07-13 02:36:452020-07-13 02:36:45prove cos2a + sin2a + 2sin^2a = (sina=cosa)^2