Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.cos ? = 
Find sin ? and tan ?.
What will be an ideal response?
sin ? = 
, tan ? = 
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Write the quotient in standard form.
A. 1 + 
i
B. 1 + 
i
C. 
+ 
i
D. 
- 
i
Solve by graphing. Label the axes and show where the solution is located on the graph.During the month of January 2006, the depth, d, of snow in inches at the base of one ski resort could be approximated by 
where t is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 24th.
A. 16 inches B. 40 inches C. 21 inches D. 24 inches
Provide an appropriate response.Describe the three possible outcomes when graphing a system of equations, and relate each to the type of solution(s) each system has.
What will be an ideal response?
Use the leading coefficient test to determine whether y?? or y?-? as
y = -3x6 + 5x5 - x2 - 9x + 4
A. -? B. ?