函数y=sin^2x+sinx+1的最大值是
问题描述:
函数y=sin^2x+sinx+1的最大值是
答
y=sin^2x+sinx+1
设 t=sinx (-1
函数y=sin^2x+sinx+1的最大值是
y=sin^2x+sinx+1
设 t=sinx (-1