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Use the identity above to find the roots of the cubic x³ - 3x²-3x + 1 = 0 and hence find the exact value of tan TC 12

Use the identity above to find the roots of the cubic x³ - 3x²-3x + 1 = 0 and hence find the exact value of tan TC 12

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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the trigonometric identity tan 30 = 3 tan 0-tan³0 1-3tan20
Transcribed Image Text:the trigonometric identity tan 30 = 3 tan 0-tan³0 1-3tan20
Use the identity above to find the roots of the cubic x3 - 3x²-3x + 1 = 0 and hence find the exact TC value of tan 12
Transcribed Image Text:Use the identity above to find the roots of the cubic x3 - 3x²-3x + 1 = 0 and hence find the exact TC value of tan 12
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