CORRECTIONS. 



PAGE LINE 



232 

 239 

 270 

 271 



284 



16 5 + 2 = cost* 



2 



20 

 3 

 4 



a 

 oM 



I - hX 

 0-006500 



286 14 



last 2niX-&e. 



295 l dm V 



dx 



(v) dx 



x &quot; ~T~ 

 dz 



16 the order of the equations 



313 27 n tan vl 



324 29, 30 comma after bracket 



325 25, 26 do. 



CORRECTION 

 q + 2 = 2 COS U 

 a 



olul 

 1-hX 

 0-006502 



71.Z-&C. 



da; 2 



I 



vx) dx 



dv 

 dz 



should be interchanged 

 n tan nl 

 dele comma 

 do. 



