Derivative of sin(x^2cos(x)) Homework Solution

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SUMMARY

The derivative of the function sin(x^2cos(x)) is calculated using the product rule and chain rule. The correct derivative is expressed as cos(x^2cos(x))[(2x)cos(x) - x^2sin(x)]. This formulation emphasizes the importance of proper bracket placement in derivative calculations to ensure accuracy in the final expression.

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  • Understanding of calculus concepts, specifically differentiation
  • Familiarity with the product rule in calculus
  • Knowledge of the chain rule in calculus
  • Ability to manipulate trigonometric functions
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  • Study the application of the product rule in complex functions
  • Review the chain rule with examples involving trigonometric functions
  • Practice calculating derivatives of composite functions
  • Explore advanced differentiation techniques for trigonometric expressions
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Students studying calculus, particularly those focusing on differentiation techniques, as well as educators looking for examples of derivative calculations involving trigonometric functions.

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Homework Statement



Derivative of sin(x^2cos(x))

Homework Equations



Product rule and chain rule

The Attempt at a Solution


[cos(x^2cos(x)) * (2x)(cos(x)) + (x^2)(-sin(x))]

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Your answer is very close. The (2x)(cos(x)) + (x^2)(-sin(x)) should be in brackets which is being multiplied by cos(x^2cos(x)). It should look like:

##cos(x^2cos(x))[(2x)cos(x) - x^2sin(x)]##
 

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