The value of `(1-tan^2 15^@)/(1+tan^2 15^@)` is

The value of (1-tan^2 15^@)/(1+tan^2 15^@)= (A) 1 (B) sqrt(3) (C) sqrt(3)/2 (D) 2

The value of (1-tan^2 1 5^(@))/(1+tan^2 1 5^(@)) is

The value of (1- tan 15^(@))/(1 + tan 15^(@))

If the value of (1+tan 1^(@))(1+ tan 2^(@)) (1+tan 3^(@)) ……….(1+ tan 45) Is 2^(lambda) , then the sum of the digits of the number lambda is

The value of tan(-(15pi)/(4)) is

The value of tan^6(15^@)-15tan^4(15^@)+15tan^2(15^@)-3 is

Find the value of : tan 15^0

Find the value of : tan 15^0

Find the value of tan15^(0)

The value of cos(tan^-1 (tan 2)) is