1.

Suppose α,β,γ and δ are the interior angles of regular pentagon, hexagon, decagon and dodecagon respectively, then the absolute value of the product cosα.secβ.cosγ.cosecδ is:

Answer»

Suppose α,β,γ and δ are the interior angles of regular pentagon, hexagon, decagon and dodecagon respectively, then the absolute value of the product cosα.secβ.cosγ.cosecδ is:



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