Math, asked by maitri1006, 3 months ago

the angle of elevation of the top of tower from a point p on the ground is (alpha). After walking a distance of d towards the foot of the tower the angle if elevation of the top of tower is found to be (bita) then ____ holds good

Answers

Answered by divu45
3

Answer:

tanβ= xh

tanα= d+xh

∴x= tanβh

∴tanα= d+ tanβhh

∴dtanα+ tanβ

h.tanα =h

∴h= 1− tanβtanα

dtanα= tanβ−tanα.

dtan.tanβ

Step-by-step explanation:

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