Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find cos 
.
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Provide an appropriate response.Write as an algebraic expression: Twice the sum of m and 8
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system by the addition method.x2 - y2 = 9x2 + y2 = 51
A. {(
, 
), (-
, 
)}
B. {(
, 
), (-
, -
)}
C. {(0, 0)}
D. {(
, 
), (-
, 
), (
, -
), (-
, -
)}
Mathematics
Solve the equation.
(6x - 12) = 
(8x - 4)
A. {1}
B. {-1}
C. 
D. {-8}
Mathematics
Calculate 
. You need not expand your answer.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics