Series question in my Calc2 class

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SUMMARY

The discussion centers around a student's confusion regarding series in a Calculus 2 class. The student mistakenly substituted the value 4 for π/4 in their calculations, leading to misunderstandings about series convergence and manipulation. The rapid pace of the course is highlighted as a significant barrier to comprehension, indicating a need for more time to grasp complex topics. The student's struggle reflects a common challenge faced by many in advanced mathematics courses.

PREREQUISITES
  • Understanding of basic calculus concepts, including limits and derivatives.
  • Familiarity with series and sequences, particularly convergence tests.
  • Knowledge of mathematical notation and terminology used in calculus.
  • Ability to perform algebraic manipulations involving trigonometric functions.
NEXT STEPS
  • Review the concept of series convergence tests, such as the Ratio Test and Root Test.
  • Practice problems involving the Taylor and Maclaurin series expansions.
  • Explore the relationship between trigonometric functions and their series representations.
  • Utilize online resources or textbooks that provide step-by-step solutions to series problems.
USEFUL FOR

Students enrolled in Calculus 2, educators teaching advanced mathematics, and anyone seeking to improve their understanding of series and convergence in calculus.

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Homework Statement


calc222222.PNG


Homework Equations

The Attempt at a Solution


Not sure what I'm doing wrong here that looks like what the series is showing
 

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ok sorry nevermind i put 4 instead of pi/4 by accident
 
i am not understanding this series stuff very well the topics in calculus 2 go by to fast to many topics too little time you cannot even have time to learn them its just go go go
 

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