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I need help solving \(tan(2\theta)=1\)within \(0 \leq \theta \leq 2\pi\)

If you could also provide how to do it, that would be helpful cool

 Nov 18, 2015
 #1
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tan[theta] = 1  ... at  pi/4, 5pi/4, 9pi/4 and 13pi/4

 

So......dividing each angle by 2

 

tan [ 2* theta]  = 1     at   pi/8, 5pi/8 , 9pi/8  and 13pi/8

 

 

 

cool cool cool

 Nov 18, 2015

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