Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = 4, 0 < ? < 
Find cos 
.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
Mathematics
Solve.
+ 7 = 0
A. 7 B. 2401 C. - 2401 D. No solution
Mathematics
Solve the problem.Let f(x) compute the cost of a rental car after x days of use at $32 per day. What is the interpretation of the solution of 
A. The cost of rental for 32 days B. The cost of rental for 214 days C. The number of days rented for $214 D. The number of days rented for $32
Mathematics
Find the equation of the hyperbola satisfying the given conditions.Vertices at (0, ±3); foci at (0, ±6)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics