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How to integrate the following: Integral sin 7x dx pls answer

 How to integrate the following:
Integral sin 7x dx  pls answer
 
 

Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
let 7x = t
 
7 * dx = dt
 
dx = dt /7
 
hence
 
sin t dt / 7
 
on integration
 
 – cost / 7 + c
 
 = – (cos 7x) / 7   + c

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