Do 45/225 and simplify and that’s your answer
Every point in the unit circle is identified either by its coordinates
or by the angle it forms with the x-axis,
.
The trigonometric functions associate with every angle
and the correspondant
coordinates the two values

This procedure can be done for every angle
, so you don't have to work with acute angles only.
You didn't post a file so I can't help you. Perhaps put a picture?
Answer:
50%
Step-by-step explanation:
I dont know how else to put it you didnt show the models though :(
Answer:
The center is [-1,-2
Step-by-step explanation: