Contact us
Choose a category below so we can get back to you as quickly as possible.
∵y=cos2x圖像向左平移π6y=cos2(x+π6)=cos(2x+π3),故答案為:左,π6.
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.