Part 2 - Find the error(s) and solve the problem correctly. Solve 2 cos x = 4 cos x sin² x Answer: 2 cos x = 4 cos x sin² x (2 cos x common on both sides) 1 = sin² x The only place sin x = 1 is where the angle is x = ㅠ - 2 FIN
Part 2 - Find the error(s) and solve the problem correctly. Solve 2 cos x = 4 cos x sin² x Answer: 2 cos x = 4 cos x sin² x (2 cos x common on both sides) 1 = sin² x The only place sin x = 1 is where the angle is x = ㅠ - 2 FIN
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°.
Related questions
Question

Transcribed Image Text:Part 2 - Find the error(s) and solve the problem correctly.
Solve
2 cos x = 4 cos x sin² x
Answer:
2 cos x = 4 cos x sin² x (2 cos x common on both sides)
1 = sin² x
The only place sin x = 1 is where the angle is
X =
ㅠ
2
FIN
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What happened to the 4 in 4*cosx*sin^(2)x when cox*sin^(2)x was subtracted on both sides?
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