The value of \[\left( \mathbf{l}+\mathbf{sec4}{{\mathbf{0}}^{{}^\circ }}-\mathbf{cot5}{{\mathbf{0}}^{{}^\circ }} \right)\]\[\left( \mathbf{l}-\mathbf{cosec4}{{\mathbf{0}}^{{}^\circ }}+\mathbf{tan5}{{\mathbf{0}}^{{}^\circ }} \right)\] is equal to

The value of \[\left( \mathbf{l}+\mathbf{sec4}{{\mathbf{0}}^{{}^\circ

1.	The value of \[\left( \mathbf{l}+\mathbf{sec4}{{\mathbf{0}}^{{}^\circ }}-\mathbf{cot5}{{\mathbf{0}}^{{}^\circ }} \right)\]\[\left( \mathbf{l}-\mathbf{cosec4}{{\mathbf{0}}^{{}^\circ }}+\mathbf{tan5}{{\mathbf{0}}^{{}^\circ }} \right)\] is equal to
A.	0
B.	1
C.	2
D.	-1
Answer» D. -1

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The value of \[\left( \mathbf{l}+\mathbf{sec4}{{\mathbf{0}}^{{}^\circ }}-\mathbf{cot5}{{\mathbf{0}}^{{}^\circ }} \right)\]\[\left( \mathbf{l}-\mathbf{cosec4}{{\mathbf{0}}^{{}^\circ }}+\mathbf{tan5}{{\mathbf{0}}^{{}^\circ }} \right)\] is equal to

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