ΔDEF is right angled at E. If ∠D = 45°, then what is the value of cosecFcotD?

Answer: Option D

$$\begin{array}{rl}& \Rightarrow \text{cosec F}\times \cot \text{D}\\ & =\text{cosec 4}{\text{5}}^{\circ }\times \cot 45^{\circ }\\ & =\sqrt{2}\times 1\\ & =\sqrt{2}\end{array}$$