Find all solutions of the equation in the interval [0, 2?).cos2 x - 1 = 0
A. {0}
B. {0, ?}
C. 
D. 
Answer: B
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Use a calculator to evaluate the expression. 
A. 62,375,040 B. 2,598,960 C. 5,197,920 D. 311,875,200
Solve for the indicated variable. Assume the variable you are solving for must be greater than 0.rm = t2 - mt, for t
A. t = 
B. t = 
C. t = 
D. t = 
Solve.The fixed monthly payment required to amortize a loan of L dollars over a term of n months at an annual interest rate of r is given by 
. Evaluate this expression when 
and 
.
A. $1330.60 B. $1397.14 C. $1264.07 D. $1463.67
Find all solutions if 
. Round your answer to the nearest tenth.
?
?
A. 27.6°, 92.4°, 151.3°, 218.2°, 267.6°, 324.6° B. 28.8°, 90.3°, 147.6°, 212.4°, 270.8°, 332.4° C. 27.6°, 92.4°, 147.6°, 212.4°, 267.6°, 332.4 D. 27.6°, 90.3°, 151.3°, 212.4°, 267.6°, 332.4° E. 28.8°, 92.4°, 147.6°, 218.2°, 270.8°, 332.4°