# Find the derivative of the function. y = a7 + cos7 x.

2 answers

## Answers

yas, I'm learning thisrememberf'(a+b)=f'(a)+f'(b)andf'(cos(x))=-sin(x)andf'(g(x))=f'(g(x))g'(x)andf'(xⁿ)=nxⁿ⁻¹f'(a⁷+cos(7x))=f'(a⁷)+f'(cos(7x))=7a⁶+f'(cos(7x))f'(7x)=7a⁶-sin(7x)(7f'(x))=7a⁶-sin(7x)(7*1)=7a⁶-sin(7x)(7)=7a⁶-7sin(7x)f'(a⁷+cos(7x))=7a⁶-7sin(7x)

The derivative of the function. y = x^7 + cos7 x.dy/dx = 7x^6 - 7sin 7xEnjoy!

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