Worked example: Derivatives of sin(x) and cos(x) | Derivative rules | AP Calculus AB | Khan Academy

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Sal differentiates g(x)=7sin(x)-3cos(x)-(¹/_x)_. This can be done using the derivatives of sine and cosine, and the Power rule.

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Hello,

I'm wondering why you didn't take the derivative of pi. Shouldn't its derivative be zero just like any other constant? Or this case difference because it's being raised to a power (or perhaps some other reason). Thanks!

FaithBIB