Convert 4(cos(120)+i sin(120)) into rectangular form a. (-4 ,4sqrt3) b. (-2 ,2sqrt3) c. (2sqrt3 ,-2) d. (4 ,4sqrt2)

Option B                

Step-by-step explanation:

Given : Expression

To find : Convert the expression into rectangular form?

Solution :    

The rectangular form is

Now, We solve the expression

Applying trigonometric properties,

Substitute,

Therefore, The rectangular form is

So, Option B is correct

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.