Answer:
5
Step-by-step explanation:
If you consult the unit circle, you will see that:

3pi/4 in degrees is 3pi/4 * 180/pi = 3/4 * 180 = 135 degrees. And please refer to the attachment to how you can obtain the values above.
Now, lets multiply it together.

So, <span>cos(3pi/4)sin(3pi/4) =
-1/2</span>
The correct answer is 2 give me likes if it’s rights txs
Answer:
c
Step-by-step explanation:
Answer:
3
Step-by-step explanation: