If secθ + tanθ = x then secθ

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