Show that the height h of the tower, Mathematics

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The angle of elevation of the top of a tower from a point on the same level as the foot of the tower is α. On advancing 'p' meters towards the foot of the tower, the angle of elevation  becomes  β.  show  that  the  height  'h'  of  the  tower  is  given  by  h=

p(tan α tan β)/tanβ-tanα

 

 


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