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sin2xcos2xdxsin5x+cos3xsin2x+sin3cos2x+cos5x2

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a
−11+cos3x+C
b
131+tan3x+C
c
−131+tan3x+C
d
11+cot3x+C

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detailed solution

Correct option is B

∫sin2⁡xcos2⁡xdxsin3⁡x+cos3⁡xsin2⁡x+cos2⁡x2=∫sin2⁡xcos2⁡xdxsin3⁡x+cos3⁡x2=∫tan2⁡xsec2⁡xdx1+tan3⁡x2 put t=1+tan3⁡x=13∫dtt2=−13t+C


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