已知f(x) = cos(2x - π/2) + 2sin(x - π/4)sin(x + π/4),求图像对称轴方程已知f(x) = cos(2x - π/2) + 2sin(x - π/4)sin(x + π/4),求图像对称轴方程
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![已知f(x) = cos(2x - π/2) + 2sin(x - π/4)sin(x + π/4),求图像对称轴方程已知f(x) = cos(2x - π/2) + 2sin(x - π/4)sin(x + π/4),求图像对称轴方程](/uploads/image/z/3009679-7-9.jpg?t=%E5%B7%B2%E7%9F%A5f%28x%29+%3D+cos%282x+-+%CF%80%2F2%29+%2B+2sin%28x+-+%CF%80%2F4%29sin%28x+%2B+%CF%80%2F4%29%2C%E6%B1%82%E5%9B%BE%E5%83%8F%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%96%B9%E7%A8%8B%E5%B7%B2%E7%9F%A5f%28x%29+%3D+cos%282x+-+%CF%80%2F2%29+%2B+2sin%28x+-+%CF%80%2F4%29sin%28x+%2B+%CF%80%2F4%29%2C%E6%B1%82%E5%9B%BE%E5%83%8F%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%96%B9%E7%A8%8B)
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