Mathematics, 13.03.2021 14:00 matiasnahuel1011

Prove that
3/4cos3A=cos3A+cos^3(120+A)+cos^3 (240+A)

Answers: 2

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Prove that
3/4cos3A=cos3A+cos^3(120+A)+cos^3 (240+A)...

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Prove that3/4cos3A=cos3A+cos^3(120+A)+cos^3 (240+A)​

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Prove that
3/4cos3A=cos3A+cos^3(120+A)+cos^3 (240+A)