Find the given power. Write answer in rectangular form.10

A.  + i
B. -  + i
C. -  - i
D.  - i


Answer: C

Mathematics

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The following table gives coordinates of a particle moving through space along a smooth curve.

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Graph the function.y = 2 cos 4?x

A.

B.

C.

D.

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Decide whether or not the ordered pair is a solution to the equation.2x - 5y = 23; (4, 3)

A. Yes B. No

Mathematics

Solve the equation.21 = -7k

A. k = 1 B. k = -28 C. k = 28 D. k = -3

Mathematics