Math, asked by kamalsharma42039, 9 months ago

cos6x+cos5x+cos4x=0 genral silution

Answers

Answered by mrsadjain

0

Answer:

There is an error in this question

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Answered by appu26vignesh

0

Answer:

cos 6x + cos 4x + cos 2x+1=0

cos 6x+cos 2x + cos 2x +cos 4x+1=0

2 cos 4x cos 2x+4x +1=0

Step-by-step explanation:

2 cos 4xcos 2x -cos 4x+1=0

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