Prove or disprove the statement. If a, b, and y are angles in the same triangle, then prove or disprove sin(a + B) If a + B + y = 180°, then a + ß = 180° sin(a + B) = sin 180° = sin(180°) cos(y) - cos(180°) = (0) cos(y) Hence, sin(a + B)? ✓ sin(y). sin(y) sin(y).
Prove or disprove the statement. If a, b, and y are angles in the same triangle, then prove or disprove sin(a + B) If a + B + y = 180°, then a + ß = 180° sin(a + B) = sin 180° = sin(180°) cos(y) - cos(180°) = (0) cos(y) Hence, sin(a + B)? ✓ sin(y). sin(y) sin(y).
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
![Prove or disprove the statement.
If a, b, and y are angles in the same triangle, then prove or disprove sin(a + B)
If a + B + y = 180°, then a + ß = 180°
sin(a + B) = sin 180°
=
sin(180°) cos(y) - cos(180°)
= (0) cos(y)
Hence, sin(a + B)? ✓ sin(y).
Additional Materials
eBook
Sum and Difference Identities for Sine
sin(y)
sin(y).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8e308213-df48-4360-8e9d-bfd0a573e9aa%2F13f1f636-2369-42c0-84fc-edaafe347b72%2Fhab0flp_processed.png&w=3840&q=75)
Transcribed Image Text:Prove or disprove the statement.
If a, b, and y are angles in the same triangle, then prove or disprove sin(a + B)
If a + B + y = 180°, then a + ß = 180°
sin(a + B) = sin 180°
=
sin(180°) cos(y) - cos(180°)
= (0) cos(y)
Hence, sin(a + B)? ✓ sin(y).
Additional Materials
eBook
Sum and Difference Identities for Sine
sin(y)
sin(y).
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