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At what points in the interval [0, 2π], does the function sin 2x attain its maximum value?
Applications of Derivatives | CBSE | Class 12 | Exercise 6.5 | Maths | NCERT
At what points in the interval [0, 2π], does the function sin 2x attain its maximum value?

Let 

  

Now 

 

 

 

Putting  

Now 

  

= 

=  = 

Putting 

Also   and 

Since  attains its maximum value 1 at  and 

Therefore, the required points are  and 

i

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