Use a reciprocal identity to find the indicated trigonometric function of ?.cot ? if tan ? = - 

A.
B.
C. - 
D. -  


Answer: D

Mathematics

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Evaluate the polynomial for the given value of the variable.2x3 + 4x2 + 14; x = -4

A. -60 B. -62 C. -130 D. -50

Mathematics

Provide an appropriate response. The perpendicular bisector is the line that is perpendicular to a given line and passes through its midpoint. Find the perpendicular bisector of the segment with endpoints (4, 1) and (3, 7).

A. y = x + 
B. y = -x + 
C. y = x + 
D. y = -x + 

Mathematics

Graph the function.y = csc x

A.

B.

C.

D.

Mathematics

Solve the inequality.x2 - 81 ? 0

A. (-?, -9] or [9, ?) B. [-81, 81] C. [-9, 9] D. (-?, -81] or [81, ?)

Mathematics