Andreescu, Titu .
103 trigonometry problems : from the training of the USA IMO team / by Titu Andreescu and Zuming Feng. - New Delhi : Springer (India) Pvt. Ltd. , 2009 - xii, 214p :
978-81-8128-339-9
Trigonometry- Problems, exercises, etc
B5 / P9
103 trigonometry problems : from the training of the USA IMO team / by Titu Andreescu and Zuming Feng. - New Delhi : Springer (India) Pvt. Ltd. , 2009 - xii, 214p :
978-81-8128-339-9
Trigonometry- Problems, exercises, etc
B5 / P9