Show that tan1,tan2,tan3......................tan89=1

1.	Show that tan1,tan2,tan3......................tan89=1
Answer» tan1.tan89= tan(90-89).tan89= cot89.tan89=1..similarlyyou can get pairs of (2°&88°) (3°&87°) and so on. tan45°=1so the product of all the 1\'s=1

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