the ratio of the length of a vertical rod and the length of its shadow is 1 ratio root 3 find the angle of elevation of the sun at that moment
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Step-by-step explanation:
Given :-
l(BC)
l(AB)
=
3
1
now, angle of elevation, ∠ACB=θ
now, tanθ=tan(∠ACB)=
BC
AB
=
3
1
⇒tan
θ=(
3
1
)
=tanθ=(tan
6
π
)
⇒θ=
6
π
∴ The angle of elevation =
6
π
=30
∘
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