Question

$\int \frac{5^{{\log }_5}\sin x}{8^{{\log }_8\sin x}-3^{{\log }_3\cos x}}dx=$

• A. $0$
• B. $x+c$
• C. $-x+c$
• D. $\sin x-\cos x+c$

Answer 1

Answer: (B)

Use $a^{{\log }_{a}x}=x$