Express the sum or difference as a product of sines and/or cosines.cos (10?) - cos (4?)
A. -2 sin (7?) sin (3?)
B. 2 cos (7?) cos (3?)
C. 2 cos (3?)
D. -2 cos (7?) sin (3?)
Answer: A
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Jacob Sawyer will deposit $3,000 into a special account each year beginning December 31, 2016, with the last deposit being made on December 31, 2019. Jacob wants to know how much will be in his account on December 31, 2019, immediately after the final deposit, if the account earns 10% compounded annually. To solve the problem, Jacob must find the future value of
A. a single sum. B. a deferred annuity. C. an ordinary annuity. D. an annuity due.
For the given principal, interest rate, and time period, determine the amount of interest that would be earned in an account paying simple interest. Also determine the amount of interest that would be earned in an account paying compound interest with interest compounded annually. Determine how much more interest would be earned in the account paying compound interest. Round to the nearest cent.Principal: $6865 Rate: 2% Years: 17
A. $4944.46 B. $7278.56 C. $413.56 D. $362.37
Determine whether the given sequences are equal to each other.(k2 -9) and (k + 3)(k - 3)
A. equal B. not equal
Write the first five terms of the geometric sequence with the given first term a and common ratio r.a = -8; r = -4
A. -4, 32, -128, 512, -2048 B. -8, -12, -16, -20, -24 C. -8, -32, -128, 512, -2048 D. -8, 32, -128, 512, -2048