Use reduction formulas to evaluate the integral.

A. -  sin 4x cos3 4x +  +  sin 8x + C
B. -  sin 4x cos3 4x +  +  sin 8x + C
C. -  sin 4x cos2 4x +  +  sin 8x + C
D. -  sin 4x cos3 4x +  +  cos 8x + C

Answer: A

Mathematics

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A. 52
B. 602
C. 62
D. 502

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Solve the equation.  =   

A. 13 B. -1 C. 1 D. -13

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