Use a double-angle identity to find the exact value of the expression.
A.
B.
C.
D.
Answer: D
Mathematics
You might also like to view...
Factor the polynomial completely using the grouping method.4x2 - 9x + 6
A. (4x - 6)(x - 1) B. (2x - 6)(2x - 1) C. (4x - 1)(x - 6) D. prime
Mathematics
Remove grouping symbols and simplify.3(-2x + 4) - 4(x - 1)
A. -18x + 16 B. -10x + 3 C. 10x D. -10x + 16
Mathematics
Tell whether the statement is true or false.Some real numbers are integers.
A. True B. False
Mathematics
Write as a percent.0.324
A. 0.324% B. 0.0324% C. 32.4% D. 324%
Mathematics