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nguyenhoangqc2000

nguyenhoangqc2000

Đăng ký: 10-08-2016
Offline Đăng nhập: 12-09-2016 - 19:32
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$sin4x=cos^3x-sin^4x$

22-08-2016 - 20:28

$sin4x=cos^3x-sin^4x$


$sin4x=cos^3x-sin^4x$

15-08-2016 - 20:59

SIN4X = COS^3X - SIN^4X

 

$Sin4x = cos^3x - sin^4x$

 

$sin4x=cos^3x-sin^4x$