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Differentiate the following with respect...

Differentiate the following with respect of `x :(a x^2+sinx)(p+qcosx)`

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`y=(a x^2+sinx)(p+qcosx)`

Chain rule: `f(x)=g(x)h(x)`

`f'(x)=g'(x)h(x)+g(x)h'(x)`

`y'=(2ax+cosx)(p+qcosx)+(ax^2+sinx)(0-qsinx)`

`y'=2apx++2aqxcosx+pcosx+qcos^2x-qax^2sinx-qsin^2x`

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