indefinite-integration

Question: $\int{\frac{{{\sin }^{3}}2x}{{{\cos }^{5}}2x}dx=}$



1) ${{\tan }^{4}}x+C$
2) $\tan 4x+C$
3) ${{\tan }^{4}}2x+x+C$
4) $\frac{1}{8}{{\tan }^{4}}2x+C$
Solution: Explanation: No Explanation
Integration by substitution

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