whts the value of cos 4x can you reply it back to the mail id deepan.nj at gmail.com

Question

Amit · Answer

Hi there.. I didn`t got what you are trying to ask. Whether you formula or something else.. For formula just exapnd it as 2cos²2x -1 and again use formula of cos2x.

Md hasan · Answer

If we do the differentiate with respect to x...Answer will be -4sinx....Dy/dx=d(cos4x)/dx=(-sinx)×4=-4sinx

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whts the value of cos 4x can you reply it back to the mail id deepan.nj at gmail.com

whts the value of cos 4x can you reply it back to the mail id deepan.nj at gmail.com

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whts the value of cos 4x can you reply it back to the mail id deepan.nj at gmail.com

whts the value of cos 4x can you reply it back to the mail id deepan.nj at gmail.com

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