Equation Icon  ∘ ----- ( r5 ) 𝒡 πœƒ5 = E&tidle;πœƒ r cosπœƒ + det¯g sinπœƒ a -- + rR4 , 5 𝒡ˆΔ± = E&tidle;ˆΔ±r cosπœƒ . (396 ) 5