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how do i solve 5cos(x)-2 = 2

 May 23, 2016
 #1
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you just do pi times pi to the second power

 May 23, 2016
 #2
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\(5cosx-2=2\)

\(5cosx=4\)

\(cosx=0.8\)

\(x=acos0.8\)

which is 36.869897.......° or 0.643501108...... radians

 May 24, 2016

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