Math, asked by patilayush9414, 7 months ago

Prove
4cosxcos(x+pi/3)+
cos^2(pi-2pi/3)=cos3x

Answers

Answered by jatinder9888843275

2

Answer:

Prove

4cosxcos(x+pi/3)+

cos^2(pi-2pi/3)=cos3x

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