Use reduction formulas to evaluate the integral.

A. -  cos4 5x sin 5x -  cos2 5x sin 5x -  cos 5x + C
B. -  sin4 5x cos 5x -  sin2 5x cos 5x -  sin 10x +  + C
C. -  sin4 5x cos 5x -  sin2 5x cos 5x -  cos 5x + C
D. -  sin4 5x cos 5x -  sin2 5x cos 5x -  cos 5x + C


Answer: D

Mathematics

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