Radians 5A

 180  
1 a   9 c 22.5  
20  180 8

 180  
b   12 d 30  
15  180 6

5 180  5
c   75 e 112.5  
12  180 8

5 180  4
d   225 f 240  
4  180 3

3 180  3
e   270 g 270  
2  180 2

180  7
f 3   540 h 315  
 180 4

 11
i 330  
180 180 6
2 a 0.46   26.4


180 
b 1  57.3 5 a 50   0.873 rad
 180

180 
c 1.135   65.0 b 75   1.31rad
 180

180 
d 3  99.2 c 100   1.75 rad
 180


d 160   2.79 rad
3 a sin(0.5 rad)  0.479 180

b cos( 2 rad)  0.156 

e 230   4.01rad
180
c tan(1.05 rad)  1.74

f 320   5.59 rad
d sin(2 rad)  0.909 180

e sin(3.6 rad)  0.443

6 a
 2
4 a 8 
180 45

 
b 10  
180 18

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6 b 8 (0, 0.5)
  11 , 0  ,   5 , 0  ,   , 0  ,  7 , 0 
       
 6   6  6   6 

Challenge

a cos θ = 1
  0, 2π, 4π, 6π,...
7 a   2nπ, n 

b sin θ = −1
3π 7π 11π
 , , ,...
2 2 2
3π
  2nπ, n 
2

b c tan θ undefined
π 3π
 , ,...
2 2
π
   nπ, n 
2

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