Evaluate: e* cos (7e*)cos (4e*) dx (A sin (3e*) +sin (11e") +c - sin (11e*)+C - sin 6. 22 ® -cos (3e*) +cos (11e*) + C -cos (11e*)+C 6. 22 - sin (3e*) – -sin (11e*)+C 6. 22 1 (D -cos (3e*) –-cos (11e*)+C 6. 22

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