yhahn
Feb 3, 2011, 06:18 AM
prove that:
cos^2y/1+cosy=1-cosy/tan^y
smoothy
Feb 3, 2011, 06:21 AM
THere are rules pertaining to homework... read them. We don't do the work for you, but WILL help you with how you THINK it should be done.
https://www.askmehelpdesk.com/other-subjects/announcement-font-color-ff0000-u-b-read-first-expectations-homework-help-board-b-u-font.html