The coordinate (5,-6) lies in the fourth coordinate, because the first is x positive y positive, the second is x negative and y positive, the third is x negative and y negative, and the fourth is x positive y negative. This is x positive y negative, so it is in the fourth quadrant.
Answer:
cos-1 (6.3/9.8).
sin-1(7.5/9.8).
Step-by-step explanation:
cos < ABC = 6.3/9.8.
sin < ABC = 7.5/9.8.
Answer:
y = 
Step-by-step explanation:
Given
ya + yv = t ← factor out y from each term on the left side
y(a + v) = t ( divide both sides by a + v )
y = 