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| 003 | BD-ChCU | ||
| 008 | Eng | ||
| 020 | _ax | ||
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_aDLC _cDLC _dBD-ChCU |
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_aDrooyan, Lrving. _bHadel, Walter. |
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| 245 | 1 | 0 |
_aEssentials of trigonometry _bx |
| 250 | _a2nd | ||
| 260 |
_aN.Y. _bMacmillan _c1977 |
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| 300 | _aviii, 328 | ||
| 504 | _ax | ||
| 650 | 0 |
_aTrigonometry _bGeometry |
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| 700 | 1 | _ax | |
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_2ddc _cBK |
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_c27418 _d27418 |
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