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If from the top of a tower of 60 metre h...

If from the top of a tower of 60 metre heigh, the angles of depression of the top and floor of a house are `alpha` and `beta` respectively and if the height of the house is, `(60sin(beta -alpha))/x, then x=`

A

`sin alpha sin beta`

B

`cos alpha cos beta`

C

`sin alpha cos beta`

D

`cos alpha sin beta`

Text Solution

Verified by Experts

The correct Answer is:
D
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