(c) $\int_{}^{}{\lbrack\sin{(\log{x) + \cos{(\log{x)\rbrack dx}}}}}$ $= \int_{}^{}{\frac{d}{dx}\lbrack x\sin{(\log{x)}}\}}dx$ $= x\sin{(\log{x) + c}}$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.