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ID: 1
IB Mathematics SL
Name___________________________________
Chapter 11 Party Planner
Period____
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Solve each equation for  .
1) sin  
3)


2) cos  


 cos 
tan 
Solve each equation for  .
4)
 
 sin  sin 

6) tan


5) cos   
 
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Worksheet by Kuta Software LLC
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Solve each equation for  .
7) cos  
(
 

9) sin  


)
8) sin



(
10) sin  

 

)
Use a double-angle identity to find the exact value of each expression.


11) sin   and  


Find sin 
12) cos  


Find sin 
and  




and  


Find cos 
13) sin  
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Worksheet by Kuta Software LLC
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Simplify. Show all work.
14) cos   sin  sin  
sin  
15)
cos 
Use an appropriate ‘double angle’ formula to simplify:
16) sin cos 
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Worksheet by Kuta Software LLC
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Answers to Chapter 11 Party Planner (ID: 1)
 
 
 
,
 
 
5)  ,
 
8) 
1)


 
,
 
6) No solution.
2)
 
 


 
 
 
,
4)
,
 
 
       
7)
,
,
,
,
,
,
,
       
       
10)
,
,
,
,
,
,
,
       

13)

3)






11) 
12)




14) cos  sin  sin  ; = sin  (cos   sin   ) = sin 


sin   (sin  ) cos   cos 
16) sin cos  = sin cos  = sin ()
15)
=
=
=


cos 
cos 
cos 

9)
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Worksheet by Kuta Software LLC