Using a calculator, evaluate the trigonometric functions. Round to four significant digits.tan 558°
A. -0.9511
B. 1.1106
C. 0.3249
D. -0.2126
Answer: C
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Solve the given problem by use of the sum of an infinite geometric series.A pendulum is released and swings until it stops. If it passes through an arc of 15 inches the first pass, and if on each successive pass it travels 
the distance of the preceding pass, how far will it travel before stopping?
A. 3.75 in. B. 22.5 in. C. 33.75 in. D. 18.75 in.
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 3, u '(1) = -7, v(1) = 7, v '(1) = -2.
at x = 1
A. - 
B. - 
C. - 
D. - 
Find the following. Assume that the letter can represent any real number.
A. z - 7
B. 
C. (z - 7)2
D. 
Find the amount that should be invested now to accumulate the following amount, if the money is compounded as indicated.$4000 at 4% compounded semiannually for 12 yr
A. $2486.89 B. $6433.75 C. $2498.39 D. $1513.11