CHO(SIN ).COS DF X X X( )D 2, ( )D 3F X X  F X X 00 1A. 1. B. 12...

Câu 10: Cho

(sin ).cos d

f x x x

( )d 2, ( )d 3

f x x  f x x 

0

0 1

A. 1. B. ¹

2  C. 5. D.  1.

 . T h ph n ²  

 ^ằng