Determine the measure of side a ( to the nearest degree and minute).

cos a = cos A/ sin B

To determine the measure of side a, we need to know the values of cos A and sin B. Without that information, it is not possible to provide an answer.

To solve for the measure of side a, we need to know the values of cos A and sin B. Without those values, we cannot determine the measure of side a. Can you please provide the values of cos A and sin B?