[tex](2cos^2A-1)^2÷cos^4A-sin^4=1-2sin^2A\ \textless \ br /\ \textgreater \ (2 \cos(2) a – 1) {}^{2} \div \cos(4) – \sin(4

[tex](2cos^2A-1)^2÷cos^4A-sin^4=1-2sin^2A\ \textless \ br /\ \textgreater \ (2 \cos(2) a – 1) {}^{2} \div \cos(4) – \sin(4) = 1 – 2 \sin(2) a(2cos(2)a−1)2÷cos(4)−sin(4)=1−2sin(2)a\ \textless \ br /\ \textgreater \ [/tex]
Ello Akshra ?​