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040 _cNULRC
050 _aQA 533 .H45 1956
100 _aHeineman, E. Richard
_eauthor
245 0 _aPlane trigonometry /
_cE. Richard Heineman
250 _aSecond Edition.
260 _aNew York :
_bMcGraw Hill Education,
_cc1956
300 _axi, 165 pages ;
_c23 cm.
504 _aIncludes index.
505 _aChapter 1. The trigonometric functions -- Chapter 2. Trigonometric functions of an acute angle -- Chapter 3. Trigonometric identities -- Chapter 4. Related angles -- Chapter 5. Radian measure.
520 _aThe principal objective of the author in writing the second edition of plane trigonometry has been teachability.
650 _aPLANE TRIGONOMETRY
942 _2lcc
_cBK
999 _c19965
_d19965