Question 1158600


{{{(1- sin^2(theta)) / tan^2(theta)}}}

use identities: {{{1- sin^2(theta)=cos^2(theta)}}} and {{{ tan^2(theta)=sin^2(theta)/cos^2(theta)}}}


{{{cos^2(theta)/(sin^2(theta)/cos^2(theta))}}}


{{{cos^4(theta)/sin^2(theta)}}}...use identity {{{csc^2(theta)=1/sin^2(theta)}}}


{{{cos^4(theta)csc^2(theta)}}}