Find \(\frac{d^2y}{dx^2}\), if y=tan2⁡x+3 tan⁡x.

• A. sec2⁡⁡x tan⁡x (2 tan⁡x+sec⁡x+3)
• B. 2 sec2⁡⁡x tan⁡x (2 tan⁡x-sec⁡x+3)
• C. 2 sec2⁡⁡x tan⁡x (2 tan⁡x+sec⁡x+3)
• D. 2 sec2⁡⁡x tan⁡x (2 tan⁡x+sec⁡x-3)