sin(5π/3)=-√3/2
cos(5π/3)=1/2
tan(5π/3)=-√3
cot(5π/3)=-√3/3
sec(5π/3)=2
csc(5π/3)=-2√3/3
x=cos(5π/3)=1/2
y=sin(5π/3)=-√3/2
对于一些其他的,你就要通过计算器了,这个就别无他法,要么就使用高等数学里级数逼近
sin(5π/3)=-√3/2
cos(5π/3)=1/2
tan(5π/3)=-√3
cot(5π/3)=-√3/3
sec(5π/3)=2
csc(5π/3)=-2√3/3
x=cos(5π/3)=1/2
y=sin(5π/3)=-√3/2
对于一些其他的,你就要通过计算器了,这个就别无他法,要么就使用高等数学里级数逼近