Dugopolski, Mark.
College algebra and trigonometry. - Massachusetts : Addison-Wesley, 1998. - 2nd ed. 893p., index, appendix. ; cm.
Algebra.
Trigonometry.
QA154.2.D867
College algebra and trigonometry. - Massachusetts : Addison-Wesley, 1998. - 2nd ed. 893p., index, appendix. ; cm.
Algebra.
Trigonometry.
QA154.2.D867