`(a+1)^(2)-15(a+1)-184`

(3^(-1)xx5^(-1))^(-1) = (a) 1/(15)\ \ \ (b) -1/(15) (c) 15 (d) -15

(cot^(2)15^(@)-1)/(cot^(2)15^(@)+1)=?

(1-tan ^(2) 15^(circ))/(1+tan ^(2) 15^(circ))=

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

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

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

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

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

(1)/(15)+(1)/(15)+(1)/(15) = ?

If alpha and beta are the roots of the equation x^(2)-15x+1=0 then the value of ((1)/(alpha)-15)^(-2)+((1)/(beta)-15)^(-2) is