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If the distance between the points (a co...

If the distance between the points `(a cos 48^(@) , 0 )` and `(0, a cos 12^(@))` is d then `d^(2) - a^(2) = `

A

`a^(2) (sqrt(5) - 1)//4 `

B

`a^(2) (sqrt(5) + 1)//4 `

C

`a (sqrt(5) - 1)//8 `

D

`a^(2) (sqrt(5) + 1)//8 `

Text Solution

Verified by Experts

The correct Answer is:
D
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