Complete the identity.
= ?
A. 1
B. sec2 x
C. csc2 x
D. cot2 x
Answer: D
Mathematics
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 3 sec t , y = 8 tan t
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
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Determine if the relation is a function. Assume x is the independent variable.{(-1, 6), (1, 4), (4, 2), (7, -2)}
A. Yes B. No
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Place the correct symbol, < or >, in the blank between the whole numbers.4800 
4500
A. > B. <
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Solve the problem.A square fence 7 feet high enclosing a radio tower is 3 feet from the tower on all 4 sides. Guy wires used to hold the tower in position are attached to the tower 31 feet above the ground and 20 feet from the fence on all 4 sides. How long are the guy wires to the nearest foot?
A. 37 feet B. 35 feet C. 39 feet D. 21 feet
Mathematics