Evaluate the expression.
?

?
A.
B.
C.
D.
E.
Answer: B
Mathematics
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Find the equation of the hyperbola satisfying the given conditions.Vertices at (0, 4) and (0, -4); foci at (0, 9) and (0, -9)
A. -
= 1
B. -
= 1
C. -
= 1
D. -
= 1
Mathematics
Evaluate the requested trigonometric function using the information given. csc ? = - ; 3?/2 < ? < 2?Find cos ?.
A. -
B.
C.
D. -
Mathematics
For the given rectangular equation, write an equivalent polar equation.y = x
A. sin ? = - cos ? B. r = sin ? C. r = cos ? D. sin ? = cos ?
Mathematics
Subtract. Write a mixed numeral for the answer.
A. 127
B. 13
C.
D. 10
Mathematics