Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-60°)

A. - 
B.
C.
D. - 


Answer: C

Mathematics

You might also like to view...

Find the center and the radius of the circle.x2 + y2 - 6x = -14y - 42

A. (4, -8); r = 4 B. (3, -7); r = 5 C. (6, -7); r =4 D. (3, -7); r = 4

Mathematics

Solve the equation.5(2x - 2) = 9(x + 4)

A. {46} B. {-26} C. {31} D. {-46}

Mathematics

Solve the inequality. Write the solution in interval notation and graph the solution set.5x - 4 ? 4x - 9

A. (-?, -5)

B. [-5, ?)

C. [-13, ?)

D. (-?, -5]

Mathematics

Use the distributive property to write without parentheses.- (-6m + 7n - 7p)

A. -6m + 7n + 7p B. 6m - 7n + 7p C. 6m - 7n - 7p D. -6m + 7n - 7p

Mathematics