Find z1z2. Express the answer in standard form.z1 = 4(cos 315° + i sin 315°)z2 = 6

A. 24i
B. -24i
C. -24
D. 24


Answer: C

Mathematics

You might also like to view...

Solve the system of linear equations. x - 7y = 82x - 7y = 9

A. (2, 1) B. No solution C. (1, -1) D. (2, -2)

Mathematics

Given that DB ? AC and B is the midpoint of AC; prove that ?ABD ? ?CBD.

Mathematics

Rationalize the denominator. Assume that all variables represent positive values.

A.
B.
C.
D.

Mathematics

Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(A ? B ? C) = 77, n(A ? B ? C) = 11, n(A ? B) = 24,     and  Find 

src="https://sciemce.com/media/4/ppg__ttt0626191023__f1q339g6.jpg" alt="" style="vertical-align: -4.0px;" /> A. 10 B. 8 C. 9 D. 7

Mathematics