Δ DEF is right angled at E. If m∠D = 45°, then

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Δ DEF is right angled at E. If m∠D = 45°, then what is the value of cosecF X cotD?

[2017 SSC CGL 19 Aug Shift-3]

A 1/√2

B 2

C 1/2

D √2