Find the area of the region bounded by the curve x = e' cost, y = e' sin t, 0 % ETT, and the x-axis. 1 2 . AT O 2 1 (2 7) O 4 O (@2 .# + 1 ) 4 O - (# + 1) O 1 (2.#- 1) 2 O 2.2 - 1 O - (2 .# - 1) O a. 4