Answer:
11+6i
Step-by-step explanation:
(3+4i)+(8+2i)=11+6i
Answer:
Teorema de Pitágoras
Step-by-step explanation:
Answer is 9.
Answer:
3
Step-by-step explanation:
3x20=60
Pi/2 falls at 90 degrees on the unit circle, or 0,1. And since sin is the y value, sin (pi/2) = 1