Question

@phi Can you please help me I'm really confused.

Answer 1

didn't you just do this? tan^2 = sin^2/cos^2
sec^2 = 1/cos^2

Answer 2

@phi I'm confused, I don't remember doing this.

Answer 3

use the two hints:
tan^2 = sin^2/cos^2
sec^2 = 1/cos^2

Answer 4

Would it be C?

Answer 5

@phi

Answer 6

yes

Answer 7

Can you help me with another one please? I just need you to check my answers.(:

Answer 8

@phi