000 00403nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
050 _aQA533.D75
100 _aDrooyan, Irving
245 0 _aTrigonometry; an analytic approach
260 _aNew York
260 _c1967
300 _ax, 358p.
300 _c24cm.
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c11597
_d11597