000			00309nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aKrishnamurthy. V
245		0	_aTrigonometry
250			_a4th Ed.
260			_bNational Publishing House _c1968
300			_a248
650			_aMathematics
942			_cBK
999			_c30569 _d30569