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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
19 Nov 2021

Given information

The given figure is:

 is the angle between the tangent line at and the radial line .

The given statement is:

 

Step-by-step explanation

Step 1.
  • From the given figure it can be noticed that .
  • Find the value of from the equation .
  • Take the tangent on the both sides of the equation (1) and use the formula .

 

 

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