The answer is D.
The path to the airport is obviously a lot less than 150+160=310 right? The only answer that makes sense is D.
Answer:
steps
Step-by-step explanation:
(1 + sinx)(1 - sinx) = 1 - sin²x = cos²x or = cos² -x
cos -x = cos x
∴ (1 + sinx)(1 - sinx) will not equal cos -x, unless x = ±360° or 0°
where cos ±360° or cos 0° = 1
4.3333333 :) hope this helps??