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When the angle of elevation of a gun are...

When the angle of elevation of a gun are `60^(@)` and `30^(@)` respectively, the height it shoots are `h_(1)` and `h_(2)` respectively, `h_(1)//h_(2)` equal to –

A

`3//1`

B

`1//3`

C

`1//2`

D

`2//1`

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