若将y=f(x)的图像按向量a=(π/6,1/2)平移1.化简√1-sin110°A.cos55° B.cos55°-sin55°C.sin55° D±(cos55°-sin55°)2.y=cos2x-√3sin2x的一条对称轴是A.π/6 B.-π/12 C.π/4 D.-π/63.若将y=f(x)的图像按向量a=(π/6,1/2)平移
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![若将y=f(x)的图像按向量a=(π/6,1/2)平移1.化简√1-sin110°A.cos55° B.cos55°-sin55°C.sin55° D±(cos55°-sin55°)2.y=cos2x-√3sin2x的一条对称轴是A.π/6 B.-π/12 C.π/4 D.-π/63.若将y=f(x)的图像按向量a=(π/6,1/2)平移](/uploads/image/z/6231250-10-0.jpg?t=%E8%8B%A5%E5%B0%86y%3Df%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E6%8C%89%E5%90%91%E9%87%8Fa%3D%28%CF%80%2F6%2C1%2F2%29%E5%B9%B3%E7%A7%BB1.%E5%8C%96%E7%AE%80%E2%88%9A1-sin110%C2%B0A.cos55%C2%B0+B.cos55%C2%B0-sin55%C2%B0C.sin55%C2%B0+D%C2%B1%28cos55%C2%B0-sin55%C2%B0%292.y%3Dcos2x-%E2%88%9A3sin2x%E7%9A%84%E4%B8%80%E6%9D%A1%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%98%AFA.%CF%80%2F6+B.-%CF%80%2F12+C.%CF%80%2F4+D.-%CF%80%2F63.%E8%8B%A5%E5%B0%86y%3Df%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E6%8C%89%E5%90%91%E9%87%8Fa%3D%EF%BC%88%CF%80%2F6%2C1%2F2%EF%BC%89%E5%B9%B3%E7%A7%BB)
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