00389nam a2200145 a 4500008004100000020001500041050001700056100002400073245004700097250001200144260003300156300002200189350000900211650002300220120416s1973    ||||||||||||||||| ||    u  a007053330X  aQA 154.2 Rob  aRobison, J. Vincent10aModern algebra and trigonometry. (2nd ed.)  a2nd ed.  aNew York:bMcGraw-Hillc1973  axiii, 431p. : ill  a0.00  aPLANE TRIGONOMETRY