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Question
Solve the equation for
. For some of the equations you should use the trigonometric identities listed in this section. Use the trace feature of a graphing utility to verify your results. 
A)
B)
C)
D)
E)
Answer
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Related questions
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Suppose the number y of medical degrees conferred in the United States can be modeled by for , where t is the time in years, with corresponding to 1975. Use the test for increasing and decreasing functions to estimate the years during which the number of medical degrees is increasing and the years during which it is decreasing.
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B) The number of medical degrees is increasing from 1975 to 1991 and 1999 to 2005, and decreasing during 1991 to 1999.
C) The number of medical degrees is increasing from 1975 to 1992 and 1999 to 2005, and decreasing during 1992 to 1999.
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