Q. Let Po,P1,P2,P3,P4,.........,P
(n-1) are vertices of a
regular polygon in a unit
circle,then prove that-
(a)PoP1*PoP2*PoP3*..............PoP
(n-1)=n
(b)sin pi/n * sin 2pi/n * sin
3pi/n*........*sin[(n-1)pi/
n]=2/2^(n-1).

Amit Saxena , 11 Years ago

Grade upto college level