Application of Trigonometry| class 10th| important questions | extra questions|

Application of Trigonometry | class 10th| important questions | extra questions|
Question : " The angles of depression of two cars from the top of building on
the same side are 30° and 60° .If the cars are 200 m apart, then the height of building"
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trigonometry
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cbse
trigonometry
triangles
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tricks
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[@natashanatasha6885]

V imp question

[@PrithwirajSen-nj6qq]

A solution without Trigonometry
---@@@---@@-@@@
Triangle PQR is a 30 60 90 triangle.
Hence QR ঃ PQ =1ঃ√3
QR =PQ /√3
Triangle PQS is a 30 60 90 triangle
Hence
QSঃ PQ =√3ঃ1
> (QR+RS)ঃ PQ =√3ঃ1
>(PQ /√3+ 200)/PQ=√3
>1/√3+200/PQ=√3
>200/PQ=2/√3
>PQ =100√3=173.2
PQ=173.2 mitres
Comment please.

[@mathsbasemaker910]

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