👉 Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the ...

👉 Learn how to find the derivative of a function using the product rule. The derivative of a function, y = f(x), is the ...

Being able to identify which formula to use, sine or cosine, and when, is necessary to answer questions on this topic successfully. Check you are confident in how to use the sine and cosine rules.