Mathematics, 18.03.2021 02:20 meowmeowcow

PROVE THAT cos(45°+A)+sin(45°+A)=√2cosA

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PROVE THAT cos(45°+A)+sin(45°+A)=√2cosA...

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PROVE THAT cos(45°+A)+sin(45°+A)=√2cosA​

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PROVE THAT cos(45°+A)+sin(45°+A)=√2cosA