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a
cotx+cot3x3+c
b
tanxtan3x3+c
c
−cotx−cot3x3+c
d
−tanx−tan3x3+c
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Correct option is C
I=∫cosec4xdx=∫cosec2x⋅cosec2xdx=∫cosec2x1+cot2xdx=∫cosec2xdx+∫cot2x⋅cosec2xdx=−cotx−cot3x3+cSimilar Questions
If then the value of
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