Contact us
Choose a category below so we can get back to you as quickly as possible.
y=sin|x|+sinx x∈[2kπ,(2k+1)π],y=2sinx,y∈[0,2] x∈[(2k-1)π,2kπ],y=0 y的值域是[0,2]
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.