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CBSE Class 10 Answered

i have a doubt in trignometry .please explain me.
Asked by | 12 Dec, 2009, 09:58: AM
answered-by-expert Expert Answer

let AB be the light house with A as the top.

let C and D be te positions of the two ships.

so acc to question,

ange CAB=60

 and angle DAB=45

LET cb=X

 and

 DB=y

so

tan 60=h/x

tan 45=h/y

x=

..(i)

and

y=h...(ii) but

x+y=

so

y=-x....(iii)

from (i), (ii) and (iii) we can find h

 

 

 

Answered by | 13 Dec, 2009, 03:33: PM

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