Simplify the expression.2 cos2 4x - 1
A. 2 sin 4x
B. cos 8x
C. cos 4x
D. 
sin 16x
Answer: B
You might also like to view...
Why is the concept of race increasingly insignificant in current times?
A. There are clearly identifiable races; no more study is needed. B. Each race is genetically distinct; biology has solved the problem. C. Virtually 100 percent of all humans' genetic makeup is identical. D. Visual identification can best reflect different races and ethnic groups.
Provide an appropriate response.True or False? With tax-exempt investments, you never have to pay tax on the earnings.
A. True B. False
Calculate the amount of interest you'll have at the end of the indicated period.You invest $500 in an account that pays simple interest of 3% for 2 year(s).
A. $750.00 B. $3.00 C. $83.33 D. $30.00
Solve.4x - 2 + 7x - 7 = 6x + 5x + 9
A. All real numbers B. 0 C. No solution D. 9