Use demoivre's theorem to evaluate the expression [sqrt 3(cos 5pi/12 + i sin 5pi/12)]^4

answer = 9/2- 9sqrt3/2i

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

answer: 414,377,008

step-by-step explanation:

just multiply it

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°