pedroornelas0708 pedroornelas0708 16-11-2020 Mathematics contestada Which statements involving cosine and sine are true? Check all that apply. sin(–45°) = –sin(45°) sin(–45°) = sin(45°) cos(–45°) = –cos(45°) cos(–45°) = cos(45°) cos(–45°) = sin(–45°)