Mathematical Investigations III
Trig Quiz1
Name: ________________
Show your work to get full credit:
1. Given that y  3sin( x)  2 . How would you write the same function using cosine
function.
2 a. Convert 600 to radians.
b. Convert
3
to degrees.
4
 
 
3. Given: y  2sin  2  x    . Find the following for this function
3 
 
Amplitude: ____________
Period: ______________
Coordinates of Maxima: _________________________________
Coordinates of Minima: ________________________________
Coordinates of zeros: ________________________________
Mathematical Investigations III
Trig Quiz1
Name: ________________
4.
Write the equation of the cosine function satisfying the given conditions and then
draw the graph (at least one cycle) labeling the four significant points:
max at  , 2 , and the next min at  2 ,  2  .
y
x
5. If cos( )  
cos    
3
and sin( )  0 , find the following.
5
cos     


cos     
2

sin   
sin   2  


sin     
2

cos     
sin     