今天之内一定要的~加大分~第一题:已知函数f(x)=asinxcosx-2cosx^2+1的图像经过点(π/8,0).(1)求实数a的值.(2)若x属于[0,π),且f(x)=1,求x的值.第二题:若函数f(x)=sinax^2-sinaxcosax(a>0)的图像与直线y=m相
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![今天之内一定要的~加大分~第一题:已知函数f(x)=asinxcosx-2cosx^2+1的图像经过点(π/8,0).(1)求实数a的值.(2)若x属于[0,π),且f(x)=1,求x的值.第二题:若函数f(x)=sinax^2-sinaxcosax(a>0)的图像与直线y=m相](/uploads/image/z/1708589-29-9.jpg?t=%E4%BB%8A%E5%A4%A9%E4%B9%8B%E5%86%85%E4%B8%80%E5%AE%9A%E8%A6%81%E7%9A%84%7E%E5%8A%A0%E5%A4%A7%E5%88%86%7E%E7%AC%AC%E4%B8%80%E9%A2%98%3A%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dasinxcosx-2cosx%5E2%2B1%E7%9A%84%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87%E7%82%B9%EF%BC%88%CF%80%2F8%2C0%29.%281%29%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%80%BC.%EF%BC%882%EF%BC%89%E8%8B%A5x%E5%B1%9E%E4%BA%8E%5B0%2C%CF%80%EF%BC%89%2C%E4%B8%94f%28x%29%3D1%2C%E6%B1%82x%E7%9A%84%E5%80%BC.%E7%AC%AC%E4%BA%8C%E9%A2%98%EF%BC%9A%E8%8B%A5%E5%87%BD%E6%95%B0f%28x%29%3Dsinax%5E2-sinaxcosax%28a%3E0%29%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8E%E7%9B%B4%E7%BA%BFy%3Dm%E7%9B%B8)
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