Trigonometric Function Values Exact

Angle Sine Cosine Tangent      
             
0 degrees Exactly

0
Exactly

1
Exactly

0
     
             
             
             
15 degrees Exactly

(61/2-21/2)/4
Exactly

(61/2+21/2)/4
Exactly

2 - 31/2
     
             
18 degrees Exactly

(51/2-1)
--------
   4
         
             
             
30 degrees Exactly

1/2
Exactly

(31/2)/2
Exactly

(31/2)/3
     
             
             
36 degrees   Exactly

(1+51/2)/4
       
             
             
45 degrees Exactly

(21/2)/2
Exactly

(21/2)/2
Exactly

1
     
             
54 degrees Exactly

(1+51/2)/4
         
             
60 degrees Exactly

(31/2)/2
Exactly

1/2
Exactly

31/2
     
             
72 degrees   Exactly

(51/2-1)
--------
   4
       
75 degrees Exactly

(61/2+21/2)/4
Exactly

(61/2-21/2)/4
Exactly

2 + 31/2 
     
90 degrees Exactly

1
Exactly

0
UNDEFINED

(Infinite)