Show that w = 2(cos 15° + i sin 15°) is a fourth root of z = 8 + 8iy3 by raising w to the fourth power and simplifying to get z. (The number w is a fourth root of z, w = z!/4, if the fourth power of w is z, wA = z.)
Show that w = 2(cos 15° + i sin 15°) is a fourth root of z = 8 + 8iy3 by raising w to the fourth power and simplifying to get z. (The number w is a fourth root of z, w = z!/4, if the fourth power of w is z, wA = z.)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section8.3: Products And Quotients In Trigonometric Form
Problem 63PS
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