Physics-
General
Easy

Question

A shell fired from the base of a mountain just clears it. If alpha is the angle of projection then the angular elevation of the summit beta is

  1. 1 divided by 2 alpha    
  2. t a n to the power of negative 1 end exponent invisible function application left parenthesis 1 divided by 2 right parenthesis    
  3. t a n to the power of negative 1 end exponent invisible function application left parenthesis 1 divided by 2 t a n invisible function application alpha right parenthesis    
  4. t a n to the power of negative 1 end exponent invisible function application left parenthesis 2 t a n invisible function application alpha right parenthesis    

The correct answer is: t a n to the power of negative 1 end exponent invisible function application left parenthesis 1 divided by 2 t a n invisible function application alpha right parenthesis

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