已知函数f(x)=sinX^2+acosx+5a/8-3/2,a属于R(1)当a=1时,求函数最大值.(2)对于区间【0,π/2】任意x,f(x)≤1都成立,求a取值范围.
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![已知函数f(x)=sinX^2+acosx+5a/8-3/2,a属于R(1)当a=1时,求函数最大值.(2)对于区间【0,π/2】任意x,f(x)≤1都成立,求a取值范围.](/uploads/image/z/3857423-23-3.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3DsinX%5E2%2Bacosx%2B5a%2F8-3%2F2%2Ca%E5%B1%9E%E4%BA%8ER%EF%BC%881%29%E5%BD%93a%3D1%E6%97%B6%2C%E6%B1%82%E5%87%BD%E6%95%B0%E6%9C%80%E5%A4%A7%E5%80%BC.%EF%BC%882%EF%BC%89%E5%AF%B9%E4%BA%8E%E5%8C%BA%E9%97%B4%E3%80%900%2C%CF%80%2F2%E3%80%91%E4%BB%BB%E6%84%8Fx%2Cf%28x%29%E2%89%A41%E9%83%BD%E6%88%90%E7%AB%8B%2C%E6%B1%82a%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.)
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