Use a half-angle formula to find the exact value of the expression.cos 

A. - 
B.
C.
D. - 


Answer: C

Mathematics

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Evaluate the determinant.

A. -1 B. -7 C. 5 D. -5

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Evaluate the integral.

A. 136 B. 30 C. 1 D. 24

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Find the interest and maturity value for the loan. Round to the nearest cent.$46,228 at 7.4% for 23 months

A. $6,841.74; $53,069.74 B. $6,271.60; $52,499.60 C. $6,611.77; $52,839.77 D. $6,556.67; $52,784.67

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Find the slope of the line.

A. -2
B.
C. 2
D. - 

Mathematics