The angle of elevation of the top of a tower, vertically erected in the middle of a paddy field, from two points on a horizontal line through the foot of the tower are given to be α and β (α>β). The height of the tower is h unit. A possible distance (in the same unit) between the points is
A) h(cotβ-cotα)cos(α+β) B) h(cotα - cotβ) C) h(tanβ - tanα)tanα tanβ D) h(cotα+cotβ)
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Step-by-step explanation:
C) h(tanβ - tanα)tanα tanβ
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the correct answer is c)
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