If cos θ + sin θ = m and sec θ + cosec θ = n, then what is the value of \frac{n}{2} (m^{2}−1) ?

SSC CPO 1 July 2017 Shift 2 Paper

Question : 145 of 200

Marks: +1, -0

If cos θ + sin θ = m and sec θ + cosec θ = n, then what is the value of

\;{n}/{2} (m^{2}−1) ?

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