(5^2+4^2)^.5=41^.5
tan=sin/cos
quadrant 3 cos is negative
cos theta=-4/41^.5
Answer:
r=-3
Step-by-step explanation:
9 divided by -3 equals -3
Answer:
10
Step-by-step explanation:
First,
(x1, y1) = (8, 0)
(x2, y2) = (0, -6)
Second,
√(x2 - x1)² + (y2 - y1)²
= √(0 - 8)² + (-6 - 0)²
√(-8)² + (-6)²
= √64 + 36
Lastly,
= √100
Distance = 10 :)
