求函数y=tan(3x-π/3)的定义域、值域、并指出它的周期性、奇偶性、单调性...我算的是:定义域(x"竖线"x∈R,x≠5π/18+kπ/3, k∈Z),值域R,周期是π/3,奇函数,在(-5π/18+kπ/3,5π/18+kπ/3).谁看下哪不对?答
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![求函数y=tan(3x-π/3)的定义域、值域、并指出它的周期性、奇偶性、单调性...我算的是:定义域(x](/uploads/image/z/1265590-46-0.jpg?t=%E6%B1%82%E5%87%BD%E6%95%B0y%3Dtan%283x-%CF%80%2F3%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E3%80%81%E5%80%BC%E5%9F%9F%E3%80%81%E5%B9%B6%E6%8C%87%E5%87%BA%E5%AE%83%E7%9A%84%E5%91%A8%E6%9C%9F%E6%80%A7%E3%80%81%E5%A5%87%E5%81%B6%E6%80%A7%E3%80%81%E5%8D%95%E8%B0%83%E6%80%A7...%E6%88%91%E7%AE%97%E7%9A%84%E6%98%AF%EF%BC%9A%E5%AE%9A%E4%B9%89%E5%9F%9F%28x%22%E7%AB%96%E7%BA%BF%22x%E2%88%88R%2Cx%E2%89%A05%CF%80%2F18%2Bk%CF%80%2F3%2C+k%E2%88%88Z%29%2C%E5%80%BC%E5%9F%9FR%2C%E5%91%A8%E6%9C%9F%E6%98%AF%CF%80%2F3%2C%E5%A5%87%E5%87%BD%E6%95%B0%2C%E5%9C%A8%28-5%CF%80%2F18%2Bk%CF%80%2F3%2C5%CF%80%2F18%2Bk%CF%80%2F3%29.%E8%B0%81%E7%9C%8B%E4%B8%8B%E5%93%AA%E4%B8%8D%E5%AF%B9%3F%E7%AD%94)
求函数y=tan(3x-π/3)的定义域、值域、并指出它的周期性、奇偶性、单调性...我算的是:定义域(x"竖线"x∈R,x≠5π/18+kπ/3, k∈Z),值域R,周期是π/3,奇函数,在(-5π/18+kπ/3,5π/18+kπ/3).谁看下哪不对?答
求函数y=tan(3x-π/3)的定义域、值域、并指出它的周期性、奇偶性、单调性...
我算的是:定义域(x"竖线"x∈R,x≠5π/18+kπ/3, k∈Z),值域R,周期是π/3,奇函数,在(-5π/18+kπ/3,5π/18+kπ/3).谁看下哪不对?
答案上说是非奇非偶,我想的是括号里是-π/3而周期也是π/3,所以我想应该是tan(3x)吧,所以是奇函数,不知道对不???
求函数y=tan(3x-π/3)的定义域、值域、并指出它的周期性、奇偶性、单调性...我算的是:定义域(x"竖线"x∈R,x≠5π/18+kπ/3, k∈Z),值域R,周期是π/3,奇函数,在(-5π/18+kπ/3,5π/18+kπ/3).谁看下哪不对?答
定义域(x"竖线"x∈R,x≠5π/18+kπ/3,k∈Z),对
值域R,对
周期是π/3,对
奇函数,错,这个是非奇非偶函数
f(5π/18)无意义,f(-5π/18)有意义
不满足 f(-x)=f(x)或f(-x)=-f(x)
(-5π/18+kπ/3,5π/18+kπ/3).错
增区间 kπ-π/2