If x = sin 130^(@) cos 80^(@), y = sin 8...

If `x = sin 130^(@) cos 80^(@), y = sin 80^(@) cos 130^(@), z = 1+xy`, which one of the following is true ?

A

`x gt 0, y gt 0, z gt 0`

B

`x gt 0, y lt 0, 0 lt z lt 1`

C

`x gt 0, y lt 0, z gt 1`

D

`x lt 0, y lt 0, 0 lt z lt 1`

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The correct Answer is:

B

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