If cos 27° = x, then the value of tan 63° is:

• A. \(\frac{\sqrt{1+x^2}}{x}\)
• B. \(\frac{x}{\sqrt{1+x^2}}\)
• C. \(\frac{\sqrt{1-x^2}}{x}\)
• D. \(\frac{x}{\sqrt{1-x^2}}\)