(7/3)派=(2+1/3)派=1/3派+2派 2派为一个周期`所以1/3派与(1/3+2)派终边相同`所以sin(7/3派)=sin(2派+1/3派)=sin(1/3派)=sin(60度)=√3/2 题目里你给出的√2/2错了```
求终边相同的叫的三角函数详细解答过程
(7/3)派=(2+1/3)派=1/3派+2派 2派为一个周期`所以1/3派与(1/3+2)派终边相同`所以sin(7/3派)=sin(2派+1/3派)=sin(1/3派)=sin(60度)=√3/2 题目里你给出的√2/2错了```