Arismith7 Arismith7

25-04-2017
Mathematics

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2+cos(theta)=2sin^2(theta)

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Аноним Аноним

25-04-2017

I hope this helps you

sin^2O+cos^2O=1

2+cosO=2 (1-cos^2O)

2+cosO=2-2cos^2O

cosO=2cos^2O

cosO=square root of2/2

O=pi/4

O=pi/4+2pi. n n € Z

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