LECT. III.] THE SUN'S COORDINATES IN TEEMS OF THE TIME. 13 



r' sin 2 / sin 



+ 7 - e' C S {2 (9 - n't] - (n't - CT ') 

 2 sm l 



~e'-: {2 (0 -n't) -2 (n't -&') 

 2 sm 1 v v ' 



' /X *COS ,f. ,),, _ . / 2 \ COS 



sin sin 



. 3e ' COS {(0_^)_( w '_ CT ') 



sm u 



, cos , , ,. , , , . ,>, 

 sin ^ 



C o nr\c* 



+ e'* .' {(0- n't) -2 (n't- 1 )} 

 8 sin lv 



^ - n't) + 2 (n't - CT ') 

 8 sin " 



C S 3 

 sm sm 



, cos 

 sin 



-e' c : 



sin 



