Answer:
0.38268343
Step-by-step explanation:
cos(
67.5
)
Rewrite  
67.5
 as an angle where the values of the six trigonometric functions are known divided by  2
.
cos
(
135\
2)
Apply the cosine half-angle identity.
±
√
1
+
cos
(
135
)
2
  
Change the  
±
 to  
+
 because cosine is positive in the first quadrant.
√
1
+
cos
(
135
)
2
Simplify  
√
1
+
cos
(
135
)
2
√
2
−
√
2
2
The result can be shown in multiple forms.
Exact Form:
√
2
−
√
2
2
Decimal Form:
0.38268343
…
 
        
             
        
        
        
Answer:
Yes
Step-by-step explanation:
They are congruent because they gave the same dimensions.
 
        
                    
             
        
        
        
Answer: -11s & -14t
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-35, 1.25, 2, 2
Step-by-step explanation:
have a good day!