Using a calculator, evaluate the expression. Round the answer to four decimal places.cos(cos-1(-0.9372))
A. 0.9372
B. 0.4686
C. -0.4686
D. -0.9372
Answer: D
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Find the gradient field of the function.f(x, y, z) = z sin (x + y + z)
A. ?f = -cos xi - cos yj + (sin z - z cos z)k B. ?f = z cos(x + y + z)i + z cos(x + y +z)j + (sin(x + y + z) + zcos(x + y + z))k C. ?f = -z cos(x + y + z)i - z cos(x + y +z)j + (sin(x + y + z) - zcos(x + y + z))k D. ?f = cos xi + cos yj + (sin z + z cos z)k
Solve the problem.For the given stock investment, find the total return:
A. $1760 B. $2090 C. $4730 D. $1763
Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.(0.00002)5
A. 3.2 × 10-23
B. 1.0 × 10-24
C.
| 3.2 × 10-24? |
D. 3.2 × 10-19
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).xy = 1
A. 2r2 sin ? cos ? = 1 B. 2r sin ? cos ? = 1 C. r sin 2? = 2 D. r2 sin 2? = 2