000			00344nam a22001577a 4500
005			20250903144127.0
020			_a978-81-87156-16-1
041			_aEnglish
082			_a516.24 Q12 NAR
100			_aNarayanan.S
245			_aTrigonometry
260			_aChennai _bAnanda Book Depot _c2012
300			_a195
365			_b150.00
942			_cBK
999			_c176237 _d176237