What is the value of B5 in the terms of c4?

• A. \(c_4-3\sqrt{(1-c_4^2)}\)
• B. \(c_4+3\sqrt{(1+c_4^2)}\)
• C. \(c_4+3\sqrt{(1-c_4^2)}\)
• D. \(c_4-3\sqrt{(1+c_4^2)}\)