Hobson, E. W.
An elementary treatise on plane trigonometry / by E. W. Hobson and C. M. Jessop. - 1st ed. - Cambridge : University Press, 1892 (1910 printing ). - viii, 324 p. : ill. ; 18 cm. - Pitt press mathematicalseries .
Plane trigonometry.
514 / HOE
An elementary treatise on plane trigonometry / by E. W. Hobson and C. M. Jessop. - 1st ed. - Cambridge : University Press, 1892 (1910 printing ). - viii, 324 p. : ill. ; 18 cm. - Pitt press mathematicalseries .
Plane trigonometry.
514 / HOE