Respuesta :
If sinθ =2/3 , then
2.236067978
cos2θ = ------------------------------------
3
Note: please open my solution attached below.
2.236067978
cos2θ = ------------------------------------
3
Note: please open my solution attached below.

Answer:
one person said it was 1/9 which it is an answer for Odyssey/ware
Step-by-step explanation: