Which of the following are identities? 1. sin (½ + x) = sin -sin x II. sin (x - 2) = sinx - sin 그플 III. sin (½ + x) = + x) = cos IV. sin (2-x) = = cos x
Which of the following are identities? 1. sin (½ + x) = sin -sin x II. sin (x - 2) = sinx - sin 그플 III. sin (½ + x) = + x) = cos IV. sin (2-x) = = cos x
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 61E
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