Complete the identity.sin ? [sin (2?) + sin (4?)] = ?
A. 
cos ? [cos (2?) + cos (4?)]
B. 
cos ? [cos (2?) - cos (4?)]
C. cos ? [cos (2?) + cos (4?)]
D. cos ? [cos (2?) - cos (4?)]
Answer: D
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Provide an appropriate response.True or False? With tax-exempt investments, you never have to pay tax on the earnings.
A. True B. False
Use the compound interest formula to determine the accumulated balance after the stated period. Assume that interest is compounded annually.$8000 is invested at an APR of 3.1% for 5 years.
A. $249.50 B. $1240.00 C. $9319.30 D. $9039.09
Solve the problem. Refer to the table if necessary.
Tom and Toni are married and file jointly. Their combined wages were $84,102. They earned a net of $2370 from a rental property they own, and they received $1678 in interest. They claimed four exemptions for themselves and two children. They contributed $3967 to their tax-deferred retirement plans, and their itemized deductions total $10,409. Find their taxable income.
A. $68,583 B. $58,174 C. $63,217 D. $55,283
?One type of compensation provided by the time value of money is compensation for risk.
Answer the following statement true (T) or false (F)