Precalculus.
Demana, Franklin D.
Precalculus. - 7th ed. - USA. Pearson Education. 2010. - 1032p.
0131359622
1. Algebra--Textbook. 2. Trygonometry--Textbooks
QA 154.3 .P74 2009
Precalculus. - 7th ed. - USA. Pearson Education. 2010. - 1032p.
0131359622
1. Algebra--Textbook. 2. Trygonometry--Textbooks
QA 154.3 .P74 2009
