14. 2 cot 2A = cot A - tan A Project 2 MTHH 044 15. Cos 2x + Cos 4x cot 3x COs 2X - COS 4x tan x Verify the following equation without using your calculator or Table of Trigonometric Functions. Be sure to show all your calculations. 16. sin-1 - - cos-1 12 = Cos-1 56 Declaration know that plagiarism is wrong. Plagiarism is to use another's work and pretend that it is one's own. I declare that this is my own work. Signature Student I.D. number This project can be submitted electronically. Check the Project page under "My Work" in the UNHS online course management system. Project 2 MTHH 044