1.

The maximum value of ( cos alpha_1) ( cos alpha_2) … ( cos alpha_n) under the restrictions 0 le alpha_1, alpha_2 ....... alpha_n le (pi)/(2) and cot alpha_1. cot alpha_2 ……cot alpha_n = 1 is

Answer»

`(1)/(2^(N//2))`
`(1)/(2^(n))`
`(1)/(2N)`
1

Answer :A


Discussion

No Comment Found