apps of trigo
Asked by suchet_r | 30th Aug, 2009, 08:13: PM
Let B and C be the positions of the two aeroplanes and BCD the vetical line.
so from the given info,
Let A be the point from where the angles of elevation of the aeroplanes is given.
and let AD=x
angle CAD=45 degrees
angle BAD =60 degrees.
In triangle BAD,
in triangle CAD,
from (i) we get,
from (ii) we get,
so h=1000*(root 3)
BC= dist bet the aeroplanes=3000-h
calculate by putting the value of h.
Answered by | 31st Aug, 2009, 09:18: AM
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