You Do Need power plug adapter while traveling from Cook Islands to United Arab Emirates (UAE).

Here is Why You Need An Adapter

The outlet and plug type used in United Arab Emirates (UAE) is G and in Cook Islands is I. This is how they look like.

Cook Islands

In Cook Islands, outlets of type I are in use.

Type I

United Arab Emirates (UAE)

In United Arab Emirates (UAE), outlets of type G are in use.

Type G