a Using a trig identity write x t 3 cos 7t 2 sin 7t using

Last updated: 2/5/2023

a Using a trig identity write x t 3 cos 7t 2 sin 7t using only one cosine function x t sqrt 13 cos 7t 146 3099 b Using a trig identity write x t 3 cos 7t 2 sin 7t using only one cosine function x t sqrt 13 cos 7t 33 69006753 help formulas x t e 5t sqrt 13 cos 7t 146 3099 help formulas c Using a trig identity write x t e 5t 3 cos 7t 2 sin 7t using only one cosine function in your answer help formulas