Provide the requested information about the circular function.What is the domain of y = sec x?
A. (-?, ?)
B. [-1, 1]
C. x ? 
+ n?
D. x ? n?
Answer: C
Mathematics
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Find a set of polar coordinates for the point for which the rectangular coordinates are given.(2, 5)
A. (5.39, 0.81) B. (3.22, 0.81) C. (5.39, 1.19) D. (3.22, 2.19)
Mathematics
A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = -9x - 6, L = -33, x0 = 3, and ? = 0.01
A. -0.003333 B. 0.000556 C. 0.001111 D. 0.002222
Mathematics
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find sin 
.
A. 
B. 
C. 
D. -
Mathematics
Write the number in scientific notation.7485
A. 7.485 × 10-3 B. 7.485 × 101 C. 7.485 × 104 D. 7.485 × 103
Mathematics