10sin45 * cos135 = 10(√2/2)(-√2/2) = -10/2 = -5
8sin30 * cos120 = 8(1/2)(-1/2) = -4
4sin150 * cos60 = 4(1/2)(1/2) = 1
22√2cos(-П/3) = 22√2(1/2) = 11√2
sin (-П/4) = -1/√2
10sin45 * cos135 = 10(√2/2)(-√2/2) = -10/2 = -5
8sin30 * cos120 = 8(1/2)(-1/2) = -4
4sin150 * cos60 = 4(1/2)(1/2) = 1
22√2cos(-П/3) = 22√2(1/2) = 11√2
sin (-П/4) = -1/√2