Express the sum or difference as a product of sines and/or cosines.cos (4?) - cos (6?)
A. 2 sin (5?) sin ?
B. -2 cos (5?) sin ?
C. -2 sin (5?) sin ?
D. cos (-2?)
Answer: A
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On June 1,2016, Molser Company acquired a new machine by agreeing to pay five equal annual payments of $20,000, with the first payment due that day. Assuming an interest rate of 14% compounded annually, Molser should record the acquisition cost of the machine as
A. $68,662. B. $78,274. C. $87,719. D. $100,000.
An ordinary annuity is if the cash flows occur on the first day of each period.
Answer the following statement true (T) or false (F)
Complete the identity.
= ?
A. cot 
B. tan 
C. tan ? + tan ?
D. tan 
Solve the problem.A theater has 24 rows with 30 seats in the first row, 33 in the second row, 36 in the third row, and so forth. How many seats are in the theater?
A. 1584 seats B. 3096 seats C. 3168 seats D. 1548 seats