https://opac.bue.edu.eg//cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%7BTrigonometry%7D%29%20AND%20%28su%3A%7BProblems%2C%20exercises%2C%20etc.%7D%29&sort_by=relevance&format=rss 4 0 50 ISBN: https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=856 By Morrow, H. W. .
Upper Saddle River, N.J. : Pearson/Prentice Hall, 2004 .
xiii, 756 p. : , Includes index. 25 cm..

]]> https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=856 ISBN: https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=9298 By Schmidt, Philip A., .
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v, 373 pages : , Includes index. | Includes Appendices. 28 cm.

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iii, 407 pages : , Includes index. 28 cm..

]]> https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=10838 ISBN: https://opac.bue.edu.eg//cgi-bin/koha/opac-detail.pl?biblionumber=22444 By Moyer, Robert E.‏,.
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viii, 201 pages : , Includes index. | 618 Fully solved problems and 20 problems-solving videos online. 28 cm..

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