If cos θ + sin θ = m and sec θ + cosec θ = n, then what is the val – McqOptions

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1.	If cos θ + sin θ = m and sec θ + cosec θ = n, then what is the value of \(\frac{{\rm{n}}}{2}\left( {{{\rm{m}}^2} - 1} \right)?\)
A.	m
B.	2m
C.	mn
D.	2n
Answer» B. 2m

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