MathDB
2021 AIME I/7

Source: 2021 AIME I/7

March 11, 2021
AMCAIME

Problem Statement

Find the number of pairs (m,n)(m,n) of positive integers with 1m<n301\le m<n\le 30 such that there exists a real number xx satisfying sin(mx)+sin(nx)=2.\sin(mx)+\sin(nx)=2.