Answer:
15 i belive cause you would need that much people
The answer is 0
Step-by-step explanation:
2x+15=x+15
-15 -x
x=0
B. -√13/4
cos 0 = -√3/4 => x=-√3 , h=4
tan 0 > 0
y should be on quadrant III
y= √4²-3= √16-3=√13 => -√13
so, sin 0 = y/h = -√13/4