Answers

2016-02-28T23:15:25+05:30
Make triangle abc right angled at b
let angle acb be theta
length of string root 2x=ac
height of kite x=ab
sin theta=ab/ac
sin theta=x/root2x
sin theta = sin 45
theta = 45
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2016-02-29T00:03:22+05:30
In this case, sin theta=1/√2
•theta=45°
Hence,angle of elevation is 45°.
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