SOLUTION: Please help me on my homework prove the identity sec^6A-tan^6A=1+3sec^2Atan^2A

Algebra ->  Trigonometry-basics -> SOLUTION: Please help me on my homework prove the identity sec^6A-tan^6A=1+3sec^2Atan^2A       Log On


   

Question 155832: Please help me on my homework
prove the identity
sec^6A-tan^6A=1+3sec^2Atan^2A
Answer by Edwin McCravy(20060) About Me  (Show Source):