Differentiate 9tan⁡3x with respect to x.

• A. 9tan⁡3x (3 log⁡9 sec2⁡x)
• B. 9tan⁡3x (3 log⁡3 sec2⁡⁡x)
• C. 9tan⁡3x (3 log⁡9 sec⁡x)
• D. -9tan⁡3x (3 log⁡9 sec2⁡⁡x)