Answer:
-256
Step-by-step explanation:
 
        
             
        
        
        
Its 72 degrees i just did this one plato 
        
                    
             
        
        
        
If you're taking trig, the "sum and difference formulas for trig functions" are basic facts that you'll need to learn and commit to memory.  I'd suggest you look up these formulas on the net.  You will likely immediately find listings for the sine, cosine and tangent.
        
             
        
        
        
Answer:
<h2>x > 3+y</h2>
Step-by-step explanation:
