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| PAGE: 637 | SET: Exercises | PROBLEM: 60a |
The expression of complex numbers is 
.
The complex number is 
.
The trigonometric form of complex number 
is 
.
The absolute value (modulus) of is 
.
The absolute value (modulus) of 
is 
.
The complex number is lies in quadrant I (
).
The reference angle 
is given by 
.
The value of 
and the complex number lies in quadrant I.
So, the angle is 
.
The trigonometric form of complex number is 
.
The complex number is 
.
The trigonometric form of complex number is .
The absolute value (modulus) of is .
The absolute value (modulus) of 
is 
.
The complex number is lies in quadrant I (
).
The reference angle is given by 
.
The value of 
and the complex number lies in quadrant I.
So, the angle is 
.
The trigonometric form of complex number is 
.
The expression of complex numbers in trigonometric form is 
.
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