Maximum and Minimum in Trigonometry

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SUMMARY

The discussion focuses on finding the maximum and minimum values of the function f(x) = sin^{2n+1} x - cos^{2n+1} x for n ∈ ℕ. A specific case is examined with n = 1, simplifying the function to f(x) = sin^3 x - cos^3 x. The range of this function is established as -1 ≤ f(x) ≤ 1. The conversation also hints at the potential use of calculus to further analyze the function.

PREREQUISITES
  • Understanding of trigonometric functions and their properties
  • Familiarity with polynomial functions and their behavior
  • Basic knowledge of calculus, particularly derivatives
  • Concept of maximum and minimum values in mathematical functions
NEXT STEPS
  • Study the application of calculus in finding extrema of functions
  • Explore the properties of odd and even functions in trigonometry
  • Learn about the implications of the range of trigonometric functions
  • Investigate the behavior of sin^3 x - cos^3 x using graphical methods
USEFUL FOR

Students studying trigonometry, mathematics educators, and anyone interested in the application of calculus to trigonometric functions.

juantheron
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Homework Statement



Find Maximum and Minimum value of

Homework Equations



[tex]\mathbf{f(x) = sin^{2n+1}\; x - cos^{2n+1}\; x}[/tex] and [tex]\mathbf{n\in\mathbb{N}}[/tex]


The Attempt at a Solution



put [tex]\mathbf{n=1, f(x) = sin^3\; x -cos^3\; x}[/tex]\\\\

get [tex]\mathbf{-1\leq f(x)\leq 1}[/tex]
 
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welcome to pf!

hi juantheron! welcome to pf! :wink:

are you allowed to use calculus?​
 

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