Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.
A. tan x
B. sec x
C. cot x
D. cos x
Answer: A
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Let 
. If 
when 
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?
A. 
B. 
C. 
D. 
Use McKay's theorem to find a rational number between the two given rational numbers.2 and 9
Fill in the blank(s) with the appropriate word(s).
Solve the equation by the zero-factor property.(x - 5)(x + 6) = 0
A. -5, 6 B. 5, 6 C. ±5, ±6 D. 5, -6
A group of 7 friends are going to a concert. Tickets cost $9 each and they pay an additional $7 per person to upgrade their tickets to the front row. What is the total cost for all of their tickets?
A. $441 B. $122 C. $14 D. $112