Answer:
formula: 60x4(to the power of 20)
How will I answer that, the image isn't showing luv
we are given
(x,y)=(5,-12)
so, x=5 and y=-12
now, we can find r
now, we can find cos
so, we get
...........Answer
180-45= 135
2x-5 = 135
2x = 140
x = 70