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Verify the identity. sin 20 1- = cos 0 1 + cos 0 To verify the identity, start with the more complicated side and transform it to look like the other sin 20 1- 1 + cos 0 =1- 1 + cos 0 (Do not factor.) =1- 1 + cos 0 = cos 0

Verify the identity. sin 20 1- = cos 0 1 + cos 0 To verify the identity, start with the more complicated side and transform it to look like the other sin 20 1- 1 + cos 0 =1- 1 + cos 0 (Do not factor.) =1- 1 + cos 0 = cos 0

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 23E
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Verify the identity. sin 20 1- = cos 0 1 + cos 0 To verify the identity, start with the more complicated side and transform it to look like the other sin 20 1- 1 + cos 0 =1- 1 + cos 0 (Do not factor.) =1- 1 + cos 0 = cos 0
Transcribed Image Text:Verify the identity. sin 20 1- = cos 0 1 + cos 0 To verify the identity, start with the more complicated side and transform it to look like the other sin 20 1- 1 + cos 0 =1- 1 + cos 0 (Do not factor.) =1- 1 + cos 0 = cos 0
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