Write the complex number in the form a + bi. 6(cos 330° + i sin 330°) -3square root of three - 3i -3square root of three + 3i 3square root of three + 3i 3square root of three - 3i

The complex number in rectangular form is .

Step-by-step explanation:

Let be a complex number in polar form, that is: . The equivalent expression in rectangular form is defined by , where:

(1)

(2)

Where:

- Magnitude.

- Direction, measured in sexagesimal degrees.

If we know that and , then complex number in rectangular form is:

The complex number in rectangular form is .

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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step-by-step explanation: