00513nam a22001817a 4500003000600000005001700006008004100023040002000064082001300084100002200097245005600119260003700175300003600212500001800248650002300266650002700289650001500316GCWUF20180503043746.0180503b        xxu||||| |||| 00| 0 eng d  aMAINbENGcMAIN  a514bBRE  aBrenke C. William  aPlane and Sphrical Trigonometry cBrenke C. William  aNew York :bDryden Press,c1943.  ax,269 p. :bill ;c20 cm.fH.B.  aInclude Index  2Plane trigonometry  2Spherical trigonometry  2Logarithms