13. Determine the correct formula for the tan ratio of angle B a. tan B=frac length of side adjacent to angle Blength of the hypotenuse c. tan B=frac length of hypotenuselength of side opposite to angle B b. tan B=frac length of side opposite t o BBlength of side adjacent t o B d. tan B=frac length of side opposite to angle Blength of hypotenuse