Answer:
-22
Step-by-step explanation:
 
        
             
        
        
        
0.034833091436865              This is the answer. Sorry   but can't show work
        
                    
             
        
        
        
9514 1404 393
Answer:
   B. 0^2 +1^2 = 1
Step-by-step explanation:
For θ = 2π, the trig identity is ...
   sin(2π)² +cos(2π)² = 1
   0² +1² = 1
 
        
             
        
        
        
Answer:
3.5 m/hr   
Step-by-step explanation:
2 + c   =   5 -c           c = speed of current 
2 c = 3      c = current speed = 1.5 m/hr 
                          your speed =   5 - 1.5    (or  2 + 1.5)  =  3.5 m/hr