354 Mr. J. W. L. Glaisher on [Nov. 20, 



Values of Qu and ~Ku. 





u. 





Hit. 



p: 



2 ? 7T 4 





K + fiK' 



gTA?^V(l + )k)* 



_.2*K? 7 x n 7 s 4 



7T' 2 







gr-A?^W*{<50S + i sin |<9} 



grAl^l^*{oos j0-t sin J0} 

 orpri 



gT*^ 1 ^{sin + * COS £0} 



g-*?^W*{sni J^-i cos \0} 



IT 1 



2"Ti3 — — W*{cos ^(j— 0) — isin 0) 

 gT*^ 1 ^{sin 0) +i cos 



where is the modular angle, and 



cos ifi- W + Q. + V W sin 1,- I**- (1 + *W 



cos 4 y <p ' 4 <p~ ' 



cosi(*— *) = ~— 21 ' sm£Or-0)=J ^ ^ 



