Question

Prove
\frac{ 1 }{ tan^2 A - sin^2 A } = cot^2A cosec^2A

Answer 1

\[\frac{ 1 }{ \tan ^{2}A-\sin ^{2}A } = \cot^2 A cosec^2 A\]

Answer 2

working on the left side. rewrite tan² A as (sin² A /cos² A) then get a common denominator to add