jsoso102000 jsoso102000

06-07-2017
Mathematics

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Simplify: (sin θ − cos θ) − (sin θ + cos θ)^2

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Аноним Аноним

11-07-2017

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

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