Find ∫7 cos⁡mx dx.

• A. \(\frac{7 \,sin⁡mx}{x}+C\)
• B. \(\frac{7 \,sin⁡mx}{m}+C\)
• C. \(\frac{sin⁡mx}{x}+C\)
• D. \(\frac{sin⁡x}{m}+C\)