Answer:
b.
Step-by-step explanation:
The given function is

Recall that the reciprocal of the cosine ratio is the secant ratio.
This implies that;



We take the inverse cosine of both sides to obtain;

Answer:
4 is in the hundredths 1 is in thousandths 9 is in the 10 thousandths
With what there’s nothing
, my friend I think you forgot to post the picture
Hope this helped! the answer is 2^7