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At a point on a level plane subtends an ...

At a point on a level plane subtends an angle `theta` and flag staff of height a at the top of the tower subtends an angle `phi`. Find the height of the tower.

A

`(asinthetacosphi)/(cos(theta+phi))`

B

`(asinphicos(theta+phi))/(sintheta)`

C

`(acos(theta+phi))/(sinthetasinphi)`

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
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