Evaluate F dr for the vector field F and the path C. (Hint: Show that F is conservative, and pick a simpler path.) F(x, y) = (16xy²– 4ysin x}i+(16x³y+ 4cos x]j C: r(t) = (-1- sin t)i+ 5cos tj; 0sts a 16 46 -40cos(-1)

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