[問題]連續的範圍 微積分

[問題]連續的範圍 微積分

cyie9424305 於 星期六 十月 01, 2005 10:49 am


State the intervals on which the function is continous

f(x)=xcotx

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一陣風 於 星期五 十月 07, 2005 3:05 pm


State the intervals on which the function is continous

f(x)=xcotx  
Since the function x is continuous everywhere, f(x) is continuous if and only if cotx is continuous. And cotx is continuous on R\{k*pi , k is any integer}, so does f(x).

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