1.

A tower of height h standing at the centre of a square with sides of length 'a' makes the same angle aat each of the four corners, then a^(2)=

Answer»

`H^(2)cot^(2)ALPHA`
`h^(2) tan^(2) alpha`
`2h^(2)cot^(2) alpha`
`2h^(2) tan^(2) alpha`

ANSWER :C


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