Why is True in boolean operation?

I need to prove the equivalence of the following expression : ∨ ( ∧ ) ≡ The correct answer is this: ∨ ( ∧ ) = ∧ ( ∨ ) = ∧ = I am struggling to understand why there is T in the second part. I thought that A V A is True , but why we write it like ∧ ( ∨ )