Question

1/cos^2theta-tan^2theta= 1 prove it

Answer 1

Answer:

HOPE THIS BRING A SMILE IN YOUR FACEStep-by-step explanation:

LHS:

1/cos^2-tan^2

Sec^2-tan^2

=1. (Trignometric Identity)

=RHS

Therefore, 1/cos^2-tan^2=1