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Diffrerentiate y=cos^{4} (3x+1)

1 Answer

6 votes

Answer:

-6sin(6x+2)cos²(3x+1)dx.

Step-by-step explanation:


dy=4*cos^3(3x+1)*3*(-sin(3x+1))dx=-6sin(6x+2)cos^2(3x+1)dx.

User Mathieu Dubois
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