Arismith7
Arismith7
25-04-2017
Mathematics
contestada
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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