Respuesta :

 If sinθ =2/3 , then
           
                      2.236067978
cos2θ = ------------------------------------
                       3

Note:  please open my solution attached below.
Ver imagen BlueSky06

Answer:

one person said it was 1/9 which it is an answer for Odyssey/ware

Step-by-step explanation:

ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE