if sec α and cosec α are the roots of x²-px+q=0
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p2 = q (q +2)
Since sec α + cosec α = p and sec α . cosec α = q
[cos α + sin α] / [cos α . sin α] = p and [1] / [cos α . sin α] = q
(cos α + sin α)2 = p2 sin2 α sin2 α
1 + 2 sin α cos α = p2 (1 / q2)
q2 + 2q = p2
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