Question
Asked Jan 20, 2020
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Find all solutions of 2cos(x−5)=√2 on the interval [2π,4π].

(Leave your answers in exact form and enter them as a comma-separated list.)

 

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Expert Answer

Step 1

First of all, consider given equation and simplify.

 

Trigonometry homework question answer, step 1, image 1
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Step 2

Now, find the periodicity of the given function.

Trigonometry homework question answer, step 2, image 1
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Step 3

Then consider general solution for functi...

Trigonometry homework question answer, step 3, image 1
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