5.12-数学1/ 3.函数f(x)=3sin(2x+5θ)的图像关于y轴对称的充要条件是()?A.θ=(2/5)*kπ+π/10 (k∈Z)B.θ=(2/5)*kπ+π/5 (k∈Z)C.θ=(1/5)*kπ+π/10 (k∈Z)A.θ=(1/5)*kπ+π/5 (k∈Z)C,我做出来却是A.请写出详细过程及思
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![5.12-数学1/ 3.函数f(x)=3sin(2x+5θ)的图像关于y轴对称的充要条件是()?A.θ=(2/5)*kπ+π/10 (k∈Z)B.θ=(2/5)*kπ+π/5 (k∈Z)C.θ=(1/5)*kπ+π/10 (k∈Z)A.θ=(1/5)*kπ+π/5 (k∈Z)C,我做出来却是A.请写出详细过程及思](/uploads/image/z/4114129-49-9.jpg?t=5.12-%E6%95%B0%E5%AD%A61%2F+3.%E5%87%BD%E6%95%B0f%28x%29%3D3sin%282x%2B5%CE%B8%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%85%B3%E4%BA%8Ey%E8%BD%B4%E5%AF%B9%E7%A7%B0%E7%9A%84%E5%85%85%E8%A6%81%E6%9D%A1%E4%BB%B6%E6%98%AF%EF%BC%88%EF%BC%89%3FA.%CE%B8%3D%282%2F5%29%2Ak%CF%80%2B%CF%80%2F10+%28k%E2%88%88Z%29B.%CE%B8%3D%282%2F5%29%2Ak%CF%80%2B%CF%80%2F5+%28k%E2%88%88Z%29C.%CE%B8%3D%281%2F5%29%2Ak%CF%80%2B%CF%80%2F10+%28k%E2%88%88Z%29A.%CE%B8%3D%281%2F5%29%2Ak%CF%80%2B%CF%80%2F5+%28k%E2%88%88Z%29C%2C%E6%88%91%E5%81%9A%E5%87%BA%E6%9D%A5%E5%8D%B4%E6%98%AFA.%E8%AF%B7%E5%86%99%E5%87%BA%E8%AF%A6%E7%BB%86%E8%BF%87%E7%A8%8B%E5%8F%8A%E6%80%9D)
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