Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = ,   < ? < ?Find cos(2?).

A. - 
B.
C. - 
D.


Answer: B

Mathematics

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Evaluate the integral.

A. ?2
B.
C.
D. 2?2

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Solve the equations containing absolute value.  = -5

A.  
B.  
C.  
D. ?

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Graph the inequality.-3x - 5y ? 15

A.

B.

C.

D.

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The graph of an ellipse is given. Find the standard form of the equation of the ellipse. 

A.  + y2 = 1
B. x2 +  = 1
C. x2 +  = 1
D. x2 -  = 1

Mathematics