Find the spherical coordinates of A(2,3,-1)

• A. (3.74, 105.5⁰, 56.13⁰)
• B. (3.74, 105.5⁰, 56.31⁰)
• C. (3.74, 106.5⁰, 56.13⁰)
• D. (3.74, 106.5⁰, 56.31⁰)