1.

If (cotα1)(cotα2)...(cotαn)=1 and 0<α1,α2,...,αn<π2, then the maximum value of (cosα1)(cosα2)...(cosαn), is

Answer»

If (cotα1)(cotα2)...(cotαn)=1 and 0<α1,α2,...,αn<π2, then the maximum value of (cosα1)(cosα2)...(cosαn), is



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