This is sometimes true because when distributing the sign could either be either minus or plus...
If you multiply a positive number with a negative number it will be negative. If you multiply a negative by a negative it will be positive. If you multiply a positive with a positive it will be positive.
Chec the picture below
make sure your calculator is in Degree mode, since the angle is in degrees
It -2,-1 I hope this help
Answer:
0
Step-by-step explanation:
The answer is 0 I think
Hope it help