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
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B. -
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, v3 =
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