I don't have my calculator handy just now. But just looking at that problem, why don't you try +20 and -45 and see if they do the job.
Answer:
C is the answer.
Step-by-step explanation:
Answer:
What do you mean
Step-by-step explanation:
Answer:
Step-by-step explanation:
Rationalization factor of
Answer:
A
Step-by-step explanation:
Our angle is -312 degrees, but because angles on the unit circle are always periodic and repeat every 2π or 360°, that means if we add a certain multiple of 360 to -312, we should get an angle with the terminal side pointing in the same direction.
Let's add 360 to -312:
-312 + 360 = 48°
Thus, the answer is A.