Answer:
It has to be A because its the only one that makes sense
Step-by-step explanation:
I really don’t know maybe you’ll have summer school that’s what we have to do if we fail an online course we have to go to summer school.
To answer this question, you can use the values of the unit circle to figure out the angle measurement. Since the cosine is the x value of the circle, we can see that at 45°<span>, the x value is √2/2.
So the missing angle should be 45°</span>
The answer would be -27 but since you aren't using negatives, A trick I use is cross the line change the sign. So it would be 1/27 I believe