y=sin(x+7π⼀12)-sin(x+π⼀12)的最大值

2025-06-22 23:37:31
推荐回答(1个)
回答1:

y=sin(π/2+x+π/12)-sin(x+π/12)

=cos(x+π/12)-sin(x+π/12)
=√2cos(x+π/12+π/4)
=√2cos(x+π/3)≤√2