Equation Icon  ( 2) 2 ( ) ds2 = − 1 + r-- dt2 +--dr-2-+ r2d&tidle;Ω2 + L2 d𝜃2 + cos2𝜃d Ī•2 + sin2 𝜃dΩ2 , 10 L24 1 + rL2 3 4 3 4 4 4 C4 = L4 sin 𝜃 dĪ• ∧ ω3, (412 )