求函數(shù)函數(shù)y=Asin(wx+φ))(A≠0,w>0)的單調(diào)區(qū)間
解析：∵函數(shù)y=Asin(wx+φ))(A≠0,w>0)
單調(diào)增區(qū)間：
2kπ-π/2<=wx+φ<=2kπ+π/2==>2kπ/w-(π+2φ)/(2w)<=x <=2kπ/w+(π-2φ)/(2w)
單調(diào)減區(qū)間：
2kπ+π/2<=wx+φ<=2kπ+3π/2==>2kπ/w+(π-2φ)/(2w)<=x <=2kπ/w+(3π-2φ)/(2w)