$\"\"$

The complex number is z = $\"\"$ .

Compare the complex number with a + ib.

a = 1 and b = 3.

The absolute value of z is :

$\"\"$

a = 1 > 0, so the angle is :

$\"\"$

Remember that, the angle $\"\"$ , is in radians.

The trigonometric form is $\"\"$ .

$\"\"$ . $\"\"$

The complex number is plotted as an absolute value of $\"\"$ .

$\"The$

$\"\"$

The trigonometric form is $\"\"$ .