（1）tan240° =tan(180°+60)=tan60=√3(2)sin16p/3=sin(5p+p/3)=-sinp/3=-√3/2(3)sin（-6分之35π）=sinp/6=1/2(4)cos （-3分之25π）=sinp/3=√3/2(5)tan （-4分之33π）=tan(-p/4)=-1(6)cos (-4分之45π) =cos(...