32. a. b. f cos(4sinx - 1) cos(2sinx + 8) cosx dx is sin(6sinx + 7) − sin(−2sinx + 9) + C 1 1 12. 1 sin(−6sinx + 7) + sin(-2sinx + 9) + C 4 C. d. ? 12 sin (6sinx + 7) sin (6sinx + 7) 1 sin(-2sinx 9) + C -sin(-2sinx + 9) + C 1

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