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Calculus I                                         Quiz 3                       September 21, 2004

Name _________________        R. Hammack                              Score_____
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(1) Find the equation of the line that passes through the point (5, 9) and has x-intercept 7.
Please express your answer in slope-intercept form.

 

 




(2)
(a)   sin(-(3π)/4) =



(b)   cos ( 99π) =

 

 



(3)  Find all values of x (in radians) for which tan(x) = -1.

 

 



(4)  Suppose x is a number for which sin(x) = 1/3.  What are the possible values for tan(x)?