Which one of these polls is the correct answer? Please help.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83