Lessons
1 answer:
You might be interested in
Answer:
That is asking you to find the sine of (3/4) PI radians.
If you look at the attached graphic, you will see that (3/4) PI radians = 135 degrees
Going to this calculator, we see that the sine of 135 degrees is 0.70711
https://www.1728.org/trigcalc.htm
Step-by-step explanation:
