Question

$(1+tan^{2}A/1+cot^{2}A)$

Answer 1

Hi there!

$(1+tan^{2}A/1+cot^{2}A)$

$(1+tan^{2}A/1+1/tan^{2}A)$

$1+tan^{2}A/[(1+tan^{2}A)/tan^{2}A]$

$tan^{2}A$

Cheers!