Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find cos 
.
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. - 
B. 
C. 0
D. Divergent
Mathematics
Solve.x2 + 16x + 62 ? 0
A. (-?, -8 - 
) ? (-8 + 
, ?)
B. (-?, -8 - 
] ? [-8 + 
, ?)
C. (-?, -
] ? [
, ?)
D. [-8 - 
, -8 + 
]
Mathematics
Express the percent as a decimal.9.7%
A. 0.097 B. 0.97 C. 9.7 D. 97.0
Mathematics
Round the whole number to the given place.In 2005, a company spent $493,749,725 on television advertising. Round this amount to the nearest hundred-million.
A. $400,000,000 B. $500,000,000 C. $493,700,000 D. $493,800,000
Mathematics