Question

anmol can you help me? ​

Answer 1

Step-by-step explanation:

L.H.S,

sec^4x-sec^2x

=(1/cos^4x)-(1/cos^2x)

=(1-cos^2x)/cos^4x

=sin^2x/cos^4x

=sin^2x/cos^4x

=tan^2x(1/cos^2x)

=tan^2x(1+tan^2x)

=tan^4x+tan^2x

R.H.S

L.H.S=R.H.S (Proved)

Hope it helps.