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Mathematics, 28.08.2019 11:00 LUCASEDIE7430

Simplify. cos^2[(pi/2) - x] + cos^2[(pi/2) - x] + cos^2x

Simplify. cos^2[(pi/2) - x] + cos^2[(pi/2) - x] + cos^2x

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Simplify. cos^2[(pi/2) - x] + cos^2[(pi/2) - x] + cos^2x
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