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04-08-2021
Mathematics

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Quick help with answers please!!

Quick help with answers please class=

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Аноним Аноним

05-08-2021

Answer:

x=pi/8 and 7pi/8

Step-by-step explanation:

2cos(2x)=sqrt(2), cos(2x)=1/sqrt(2). 2x=pi/4 and 7pi/4, x=pi/8 and 7pi/8

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