Find the exact value of the indicated trigonometric function of ?.sin ? = , sec ? < 0Find cos ? and tan ?.

A. cos ? = - , tan ? = - 
B. cos ? = - , tan ? = 
C. cos ? = , tan ? = 
D. cos ? = - , tan ? = - 


Answer: D

Mathematics

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Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 6 sin ?

A.

(x - 3)2 + y2 = 9; circle, radius 3,
center at (3, 0) in rectangular coordinates
B.

x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular coordinates
C.

x2 + (y - 3)2 = 9; circle, radius 3,
center at (0, 3) in rectangular coordinates
D.

(x + 3)2 + y2 = 9; circle, radius 3,
center at (-3, 0) in rectangular coordinates

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A.
B.
C.
D.
E.

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Use L'Hpital's rule to find the limit.

A.
B. 1
C.
D. - 

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Use a 4-column table to solve.A convention manager finds that she has $1210, made up of twenties and fifties. She has a total of 38 bills. How many fifty-dollar bills does the manager have?

A. 10 fifty-dollar bills B. 15 fifty-dollar bills C. 38 fifty-dollar bills D. 23 fifty-dollar bills

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