Direction: Use the trigonometric identities to show that each equation is TRUE. Statements Proof 1. sin(x +360°) = sin x 2. cos (+x) = - sin x 3. tan (0 +) cos 8+sin e cos 8-sin 0

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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Direction: Use the trigonometric identities to show that each equation is TRUE.
Statements
Proof
1. sin(x + 360°) = sin x
%3D
2. cos
2
+ x) = - sin x
3. tan (0+
cos 0+sin 0
%3D
cos 0-sin 0
Transcribed Image Text:Direction: Use the trigonometric identities to show that each equation is TRUE. Statements Proof 1. sin(x + 360°) = sin x %3D 2. cos 2 + x) = - sin x 3. tan (0+ cos 0+sin 0 %3D cos 0-sin 0
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