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Write the complex number 4 COS 7π 4 7π + i sin 4 in the form a + bi.

Write the complex number 4 COS 7π 4 7π + i sin 4 in the form a + bi.

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section: Chapter Questions
Problem 17T
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Write the complex number 4 COS 7π 4 7π + i sin 4 in the form a + bi.
Transcribed Image Text:Write the complex number 4 COS 7π 4 7π + i sin 4 in the form a + bi.
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