Question

y= cos³x ( Differentiate)​

Answer 1

Answer:

y=cos^3 x

therefore, dy/dx= 3.cos^2x. -sinx

and we get, dy/dx= -3cos^2x sinx

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Answer 2

Answer:

-3cos²xsinx

Step-by-step explanation:

dt*n/dx=nt*(n-1)dt/dx, where t is any trigonometric ratio and n is its power