00684nam a2200217 a 450000100060000000300080000600500170001400800410003103500190007204000370009104100080012808200250013610000230016124501020018426000670028630000320035350000210038565000170040670000210042370000220044445133BD-RjUL20211209053952.0910506r19681962enka          001 0 eng d  a(BD-RjUL)45251  aRCDcRCDdUKMdEQOdBD-RjULbeng  aeng04a516.24223bCRT 19681 aCrowder, Norman A.10aTrigonometry : ba first course /cNorman A. Crowder, Grace C. Martin ; Edited by Richard Goodman  aLondon :bEnglish Universities Press,cc1962 [Impression 1968]  a9, 250 p. :bill. ;c21 cm.  aIncludes index.   aTrigonometry1 aMartin, Grace C.1 aGoodman, Richard