What is the first derivative of x(t) with a missing factor of w?

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SUMMARY

The first derivative of the function x(t) = Acos(wt) + Bsin(wt) + (F/(2mw))tsin(wt) is correctly calculated as -Awsin(wt) + Bwcos(wt) + (Ftcos(wt) + Fsin(wt))/(2mw). The discussion highlights a critical observation regarding a missing factor of w in the first term of the numerator of the fraction, emphasizing the importance of accurate differentiation in trigonometric functions involving angular frequency.

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viciado123
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What is the first derivative of

[tex]x(t) = Acos(wt) + Bsin(wt) + \frac{F}{2mw}tsin(wt)[/tex]

I find:

[tex]-Awsin(wt) + Bwcos(wt) + \frac{Ftcos(wt)+Fsin(wt)}{2mw}[/tex]

is correct ?
 
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I believe you're missing a factor of w in the first term of the numerator of the fraction.
 

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