Is Tangent Function Periodic Like Sine and Cosine?

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SUMMARY

The tangent function, denoted as tan(x), is periodic with a minimum period of π, unlike the sine and cosine functions, which have a period of 2π. This periodicity arises from the definition of tangent as the ratio of sine to cosine (tan = sin/cos). The discussion confirms that while sine and cosine repeat every 2π, tangent completes its cycle every π.

PREREQUISITES
  • Understanding of trigonometric functions
  • Knowledge of periodicity in mathematics
  • Familiarity with the unit circle
  • Basic graphing skills for trigonometric functions
NEXT STEPS
  • Study the graph of the tangent function and its asymptotes
  • Explore the properties of sine and cosine functions
  • Learn about the applications of periodic functions in real-world scenarios
  • Investigate the relationship between trigonometric identities and periodicity
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Students of mathematics, educators teaching trigonometry, and anyone interested in understanding the properties of trigonometric functions.

SELFMADE
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cos and sin are periodic at 2pi

How about tan?
 
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Do you know what the graph of tan(x) looks like?
 
tan = sin/cos
what does this tell you?
 
Hi SELFMADE! :wink:

(have a pi: π :wink:)
SELFMADE said:
cos and sin are periodic at 2pi

How about tan?

tan is periodic … but the minimum period is not 2π … what is it? :smile:
 
It is pi, got it thanks
 

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