Use the fundamental identities to simplify the expression.cot ? sec ? sin ?
A. sec2?
B. csc2?
C. tan2?
D. 1
Answer: D
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Find the indicated quantities for the appropriate geometric sequence.Suppose Janet could save $3 at the end of January, $6 at the end of February, $12 at the end of March, and so on. What amount would she have saved by the end of one year?
A. $4095.00 B. $189.00 C. $6142.50 D. $12,285.00
Solve.If V stands for the volume of an ideal gas, then V = 
, where n is the number of moles of the gas, R is the universal gas constant, T is the temperature, and P is the pressure. Find an expression for the quotient of V divided by R, and simplify.
A. 
B. 
C. 
D. 
Determine which ordered pair is a solution of the system.
a. (–3, –1)
b. (–8, 7)
c. (–1, 3)
d. (–8, 8)
Solve the equation. Express radicals in simplest form.
- 
= 
A. 
B. 
C. ?
D. 