TY  - BOOK
AU  - Lock,Rev.J.B
TI  - A Treatise on Higher Trigonomentry
U1  - mp19 
PY  - 1909///
CY  - London
PB  - Macmillan And Co.,LTD
KW  - Mathematics Pure
N1  - Mp mean Mathematics Pure Page 436  to 449 & Page 628 to 630 in A to Z Register (Acc. No.Mp1-Mp405 & Mp406-Mp486)
ER  -