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If theta is the angle between the lines ...

If `theta` is the angle between the lines `x/a+y/b=1` and `x/b+y/a=1` find the value of `sin theta`.
when `a gtb`.

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Verified by Experts

The correct Answer is:
`(a^(2)-b^(2))/(a^(2)+b^(2))`
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