Question 481747


Let x be the distance between the two objects 
a is the distance from the object nearer to the cliff
Tan 42 25' = (x+a)/282
Tan 42.42

Tan 37 15' = a/282
Tan 37.25



Tan42.42-Tan 37.25= (x+a)/282- a/282

0.91-0.76= x/282

0.15*282=x
x= 42.3
CHECK

a=214.3
(x+a)=256.6

Tan 42.42= (x+a)/282
256.6/282= 0.91
Tan 42.42 = 0.91
Hence proved

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