Answer:
225° or 315°
Step-by-step explanation:
If sin Ф = -1, Ф must be in Quadrant III or Quadrant IV.
sin Ф = (opposite side) / hypotenuse. The opposite side is negative only in Quadrant III and Quadrant IV.
The angle Ф is either 225° or 315°
Greatest Common Factor is :
2
hope this was helpful
Answer:1. B
2D
3C : 823,542
130°-30°=100°
m∠ABD=100°
ccc