Schaum's outline of trigonometry 由 Moyer, Robert, Ayres, Frank 1901-1994

Available for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access
Also available remotely for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access thru EZproxy

Schaum's outline of trigonometry 由 Moyer, Robert, Ayres, Frank 1901-1994

Available for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access
Also available remotely for University of the Philippines Diliman via McGraw-Hill Access Engineering. Click here to access thru EZproxy

Eigenvalues, embeddings and generalised trigonometric functions 由 Lang, Jan

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Essentials of trigonometry. 由 Davis, E. Allan

Six-figure tables of trigonometric functions 由 Khrenov, L.S

Natural trigonometric functions to seven decimal places for every ten seconds of arc together with miscellaneous tables 由 Ives, Howard Chapin

Elementary functions for precalculus mathematics 由 Glenview, Ill. Phillips, Esther R. c1978, Rose, Israel H.