ALGEBRAIC FORMULA. 291 



2. Calculation of the logarithms of fin 2<p', fin 4^, &c. 



Logarithms. 



finp - * 1.9729858 



e 1.8494850 



ffin<p = fin/3 - 1.8224708 



y/i — Win <p = cof/3 - - I -8735°73 



1 +«' - - 0.0687694 



(1 -f ^) v/i — ^ fin^ - 1.9422767 



fin 2?) - - - 1.8080675 



fin2<p'=fini32°,45',49 r/ .3 1.8657908 



e 1.2344486 



e' fin 2<p' = fin /3' - 1. 1002394 



v/i — £' 2 fin 2 2p"= cof/3' - - T '996527o 



i+tf* - - 0.0032320 



fin 4<p' - - - ^-9986754 



fin £$' — fin 265 °, 5/. 15". - 1.9989164 



f - - 3'8733 oo3 



^fin4f fin /3' - - 3.8722172 



^/i — ^ fi n *4<p^= cof jS /y - J »9999879 



i-f-*'" -. - 0.0000060 



(1 -f e'")s/i — *"* fin -^ - - * -9999939 



fin 8^ - 1. 1484707 



fin 8?"' = fin S3 1 % 54'' 3 "- - i.1484768 



the 



