Use de moivre's theorem to write the complex number in trigonometric form. (cos(4pi/7)+isin(4pi/7))^5 a. 5(cos(20pi/7)+isin(20pi/7)) b. 5(cos(4pi/7)+isin(4pi/7)) c. (cos(4pi/35)+isin(4pi/35)) d. (cos(20pi/7)+isin(20pi/7))

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units