Answer:
7/15 Hope it helps
Step-by-step explanation:
 
        
             
        
        
        
Yes 8.54 as rational number because in can be written as 854/100
        
                    
             
        
        
        
Answer:
R = 4cm
Step-by-step explanation:
V = π(R)²h = 480π
Divide by π
(R)²h = 480
Substitute h with 30
30*(R)² = 480
Divide by 30
(R)² = 16
Square root
R = 4cm
We do not accept R= -4 because it's a length, so it must be positive.
 
        
             
        
        
        
Sorry I’m not sure but maybe you could look it up???
        
             
        
        
        
Answer:






Step-by-step explanation:
Given
 --- terminal side of
 --- terminal side of 
Required
Determine the values of trigonometric functions of  .
.
For  , the trigonometry ratios are:
, the trigonometry ratios are:
 
        
       
 
        
       
Where:


In 
 and
 and 
So:






<u>Solving the trigonometry functions</u>


Rationalize:






Rationalize















