Download Trig Identities Quiz - Harrison High School

Trig Identities Quiz
Sum and Difference, Double Angle, and Half Angle Identities
Find the exact value of the trigonometric expressions below given that
cscu  
13
if
5
tanv  
4
if
3
 u 
3
and
2
3
 v  2
2
1. cos u v 
2. tan2u
u 
3. sin  
2
v 
4. tan  
2
5. tan  v  u 
6. cos2v
Trig Identities Quiz
Sum and Difference, Double Angle, and Half Angle Identities
Find the exact value of the following trigonometric functions.
7. sin157.5
8. tan75
 5 
9. cos 

 12 
 
10. sin  
8
 19 
11. tan  

 12 
 10 
12. cos 

 3 
Write each trig expression as an algebraic expression.
13. tan  2arccos(x  3)
14. cos(arcsin2x  arctan x )