(1/2)[紧急求助,] 已知a〉0,函数f(x)=-2asin(2x+派/6)+2a+b,当x属于[0,派/2]时,-5小...

问题描述:

(1/2)[紧急求助,] 已知a〉0,函数f(x)=-2asin(2x+派/6)+2a+b,当x属于[0,派/2]时,-5小...
已知a〉0,函数f(x)=-2asin(2x+派/6)+2a+b,当x属于[0,派/2]时,-5小于等于f

当x∈[0,π/2]时,
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