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

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

User TomFree
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1 Answer

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= 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
User Giu
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