Andreescu, Titu
103 Trigonometry problems: from the training of the USA IMO team - Boston Birkhauser 2004 - 214 p.
First Indian Reprint 2005
9788181283399
517.51 / AND
103 Trigonometry problems: from the training of the USA IMO team - Boston Birkhauser 2004 - 214 p.
First Indian Reprint 2005
9788181283399
517.51 / AND