If cosec theta - sin theta = a3 and sec theta - cos theta = b3 prove that a2b2 ( a2+ b2) = 1

If cosec theta - sin theta = a3 and sec theta - cos theta = b3 prove t

1.	If cosec theta - sin theta = a3 and sec theta - cos theta = b3 prove that a2b2 ( a2+ b2) = 1
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