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To write:
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Answer to Problem 31RE
The mentioned complex number in the standard form is
Explanation of Solution
Given information:
The mentioned complex number is
Formula used:
By the use of De Moivre’stheorem we know that if
Also trigonometric formula
Calculation:
Consider the mentioned complex number is
Recall the De Moivre’s theorem that if
Therefore the mentioned complex number is
Here
Also recall the trigonometric formula
Therefore by De Moivre’s theorem we have,
Thus the required Complex number
Chapter 9 Solutions
Precalculus
Additional Math Textbook Solutions
Glencoe Math Accelerated, Student Edition
Precalculus (10th Edition)
Thomas' Calculus: Early Transcendentals (14th Edition)
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
Calculus and Its Applications (11th Edition)
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