Question 855996
{{{(tan^2(x) * csc^2(x) - 1)/tan^2(x)=1}}}




{{{(((sin^2(x)/cos^2(x))*(1/sin^2(x)))-1)/tan^2(x)}}}





{{{ ((1/cos^2(x))-1)/tqn^2(x)}}}



{{{(1-cos^2(x))/cos^2(x))/(tan^(x))}}}


{{{(sin^2(x)/cos^2(x))/tan^2(x)}}}


{{{tan^2(x)/tan^2(x)}}}

=1