Question

Prove that :
sec^6 A - tan^6 A = 1+3tan^2 A + 3tan^4 A

Answer 1

I hope this answer helps.

Answer 2

Hey,
Thanks for asking this question.

Please find the file that I have attached.

I have proved that the Left Hand Side of the given question is equal to the Right Hand Side of the given question.

Hope my answer helps.