Answer:
(sec θ - tan θ)²
= sec² θ –2 sec θ tan θ + tan² θ
What is 700 x 30 plz answer
I think it would be better to have around the middle because there would be people but not to much people

Thus, options A and D hold, from the simplifications above.
Let's consider the validity of the remaining options provided.




Hence, the correct options that apply are options A, D, E and F