TÍNH 2 1 2SIN COS DXX X TAN X  COT X C  . B.  SIN2X 1 COS2X D...

Câu 09: Tính

1

sin cos dx

x x

 ^{tan x  cot x c  . B.}  _sin

_x ¹ _cos

_x ^{dx  tan x c  .}

A.

1

x x 

 ^{tan x  cot x c  . D.}  _sin

_x ¹ _cos

_x ^{dx  cot x  tan x c  .}

C.

1