Answer:
Both be positive or both be negative
Step-by-step explanation:
Both be positive or both be negative
+ *+ = +
- * - = +
Answer:
the 2 one would be the correct answer
Answer: u mean r=0
Step-by-step explanation:
According to the probles represented above, there is addition of two angles which makes it totally clear. I am pretty sure that the answer with the actual reason of this task is the second option <span>B. Angle Addition Postulate, as you can see a couple of new angles in there :)
Regards!</span>