000 00468nam a22001577a 4500
005 20160820112646.0
008 091120t xxu||||| |||| 00| 0 eng d
082 _a373.5:51
_bYAK
100 _aYakovlev,G N
_eEditor
_96231
245 _aHigh-school mathematics
300 _a448p.
653 _amathematics
_atrigonometric equations
942 _cBK
260 _aMoscow
_bMir Publishers
_c1982
500 _apart two translated from the Russian by Irene Aleksanova
999 _c173988
_d173988