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>
 
        
        
        
Answer:
E and H are the correct answers
Step-by-step explanation:
 
        
             
        
        
        
Answer:
P=l+w
Step-by-step explanation:
Solve for P by simplifying both sides of the equation, then isolating the variable.
 
        
             
        
        
        
Answer:
1.333...
Step-by-step explanation:
because irrational numbers can be repeating decimals, numbers that aren't perfect squares,and numbers that can not be in fraction form.