Use your graphing calculator to find all degree solutions in the interval 0° <= x  <360° for  each of the following equations..    cos 3x = 1/2

Trigonometry (MindTap Course List)
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ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
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Chapter6: Equations
Section6.3: Trigonometric Equations Involving Multiple Angles
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Use your graphing calculator to find all degree solutions in the interval 0° <= x  <360° for  each of the following equations.

 

cos 3x = 1/2

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