3 2 90 July 8, 2019 16 32 64 128 3 2 900 3 2 90 degrees clockwise 3 2 90 degrees counterclockwise 3 2 90 clockwise 2 3 9000 2 3 90 x 3 2 rotated 90 degrees clockwise 3 1 2 90 3 2 x 900 Fm 3 90 2 Fm 3 90 2 pdf 3 90 2 50 3 90 2 60 3 sin 2 90 Xcd 3 2 90