Andreescu, Titu.
103 Trigonometry Problems From the Training of the USA IMO Team / [electronic resource] : by Titu Andreescu, Zuming Feng. - Boston, MA : Birkhäuser Boston, 2005. - digital.
9780817644321
10.1007/b139082 doi
Mathematics.
Algebra.
Geometry.
Mathematics.
Algebra.
Geometry.
Mathematics, general.
QA150-272
512
103 Trigonometry Problems From the Training of the USA IMO Team / [electronic resource] : by Titu Andreescu, Zuming Feng. - Boston, MA : Birkhäuser Boston, 2005. - digital.
9780817644321
10.1007/b139082 doi
Mathematics.
Algebra.
Geometry.
Mathematics.
Algebra.
Geometry.
Mathematics, general.
QA150-272
512