All BASICSTANDARDADVANCED

Question 157

The maximum value of cos1 cos2 cos3 …… cosnunder the restriction 0  1 , 2 , 3 …. , n   and cot1 cot2 cot3 …… cotn= 1 is


a)

b)

c)

d)

IIT 2001

Your Answer

ABCD   CLEAR