1. cos (- x) - sin (- x) -- sin (주-x) TT =-1

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.3: Solving Trigonometric Equations
Problem 8ECP
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Find the solution of the equation on the interval [0, 2π).
1. cos
4
x) -
sin (-
-1
4
Transcribed Image Text:1. cos 4 x) - sin (- -1 4
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