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
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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
Find the coefficient of the term containing in the expansion of the binomial
.
A.
B.
C.
D.
E.
Use L'Hpital's rule to find the limit.
A.
B. 1
C.
D. -
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