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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
24 Nov 2021

Given information

The given figure is:

The given equation is:

 

 

Step-by-step explanation

Step 1.
  • Label the given figure as shown.
  • Write the value of   in the triangle  
  • Find the value of  

The labelled figure is:

 

 

In the triangle  

 

 

 

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