What is the Purpose of tg() in Physics?

  • Context: High School 
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SUMMARY

The discussion clarifies that the abbreviation "tg" refers to the tangent function in trigonometry, commonly used in older physics literature. Participants confirm that this notation is still relevant, particularly in specific educational contexts. Additionally, the abbreviation "lg" is identified as representing the Briggs logarithm. Understanding these notations is essential for interpreting equations in physics accurately.

PREREQUISITES
  • Basic knowledge of trigonometric functions, specifically tangent.
  • Familiarity with logarithmic functions, particularly Briggs logarithm.
  • Understanding of mathematical notation used in physics.
  • Exposure to older physics textbooks and conventions.
NEXT STEPS
  • Research the properties and applications of the tangent function in trigonometry.
  • Study the Briggs logarithm and its significance in mathematical contexts.
  • Explore historical notations in physics and their modern equivalents.
  • Review common trigonometric identities and their uses in physics equations.
USEFUL FOR

Students in physics, educators teaching trigonometry, and anyone interested in the historical context of mathematical notations in scientific literature.

penguindecay
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Dear Physicists,

I've been given an equation tg(psi_1) = et cetera. I do not know the meaning of the tg function, please could could one tell me its formal name, or how it functions? Thank you
 
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It's a fairly common abbreviation for the tangent function, at least in older books.
 
arildno said:
It's a fairly common abbreviation for the tangent function, at least in older books.

Thank you! It's the first time in fours years of higher education that I've seen it!
 
penguindecay said:
Thank you! It's the first time in fours years of higher education that I've seen it!

You're welcome! :smile:

And, to make a pre-emptive strike, lg() is an old convention for the (Briggs') logarithm..:wink:
 

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