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The top of a hill when observed from the...

The top of a hill when observed from the top and bottom of a building of height h is at angles of elevation p and q respectively. What is the height of the hill?

A

`( h cot q )/( cot q - cot p )`

B

`( h cot p )/( cotp - cot q )`

C

`( 2 h tan p )/( tan p - tan q )`

D

` (2 h tan q )/( tan q- tan p )`

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The correct Answer is:
B
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