Two ship are approaching in lighthouse from opposite direction the angle of depression of two ships from top of the lighthouse as 30 degree and 45 if the distance between the two shape is 100 m find the height of lighthouse
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b=100/2=50m
theta=45°and 30°
b/h=cos theta
=>50/h=cos30°
=>50/h=√3/2
=>1/h = √3/100
=>h=100/√3(ans)
theta=45°and 30°
b/h=cos theta
=>50/h=cos30°
=>50/h=√3/2
=>1/h = √3/100
=>h=100/√3(ans)
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