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gacon_hocit


Tìm TXĐ các hàm số sau:
1/ y=xsinx1+coxx
2/ y= (x−π)sinx1+sinx
3/y = sin x2−1x+1
4/ y= sinx1−cosx1
5/ y= sinx−cosxcotx
6/ y= 2cosx−1+1−cos2x
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^^
^^
1/ y=xsinx1+coxx
2/ y= (x−π)sinx1+sinx
3/y = sin x2−1x+1
4/ y= sinx1−cosx1
5/ y= sinx−cosxcotx
6/ y= 2cosx−1+1−cos2x
^
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