Two vectors are defined as 𝐴=𝑎 𝑖 and 𝐵=𝑎(𝑐𝑜𝑠⁡𝜔𝑡 𝑖 +𝑠𝑖𝑛⁡𝜔𝑡 𝑗), 𝜔=𝜋/6. If |𝐴+𝐵|= √3|𝐴−𝐵| at time t =