Why is the plural used for God in Genesis 1:26 and 3:22?

Why is the plural used for God in Genesis 1:26 and 3:22?

The plural pronouns in Genesis 1:26 and 3:22 likely either express God’s majestic greatness or hint at the Trinity—one God in three Persons. Though the Old Testament doesn’t fully reveal the mystery of the Trinity, the New Testament clarifies God’s triune nature, inviting us to worship the majestic, triune Creator.