Contact us
Choose a category below so we can get back to you as quickly as possible.
이미 알 고 있 는 뿔α의 마지막 경과 점(3,-4)은 x=3,y=-4,r=5,8756°sin 이다.α=yr=-45,cosα=xr=35,sinα+cosα=-15.그러므로 답 은:-15.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.