Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 

A.
B.
C. - 
D. - 


Answer: B

Mathematics

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Determine the truth value of the following statement.Assume that p has a truth value of 0.28, q has a truth value of 0.55, and r has a truth value of 0.87. (p ? ~q) ? r

A. 0.45 B. 0.72 C. 0.87 D. 0.55

Mathematics

Solve the problem.A borrower uses an income tax refund to pay off the balance on a fixed installment loan. Which rules or methods can be used to compute the amount of interest he will save?

What will be an ideal response?

Mathematics

A grand tour of four cities begins at city A and makes successive stops at cities B, C, and D before returning to city A. If the cities are located as shown in the following figure, find the total distance covered on the tour. ? ? ? __________mi

Fill in the blank(s) with the appropriate word(s).

Mathematics

Refer to the figure . Answer true or false.

1. m?A>m?1 2. If m?2 AB

Mathematics