sin 10=0,1736
cos(-12)=0,9781
sin(-15)=−0,2588
cos 8=0,9902
sin 10 = 1 radiant = +
cos (-12) = cos 12 = 1 radiand = +
sin (-15) = -sin 15 = 4 radiant = -
cos 8 = 1 radiant = +
