Question ,trigonometric identities equation and functions ?

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Discussion Overview

The discussion revolves around the differences between trigonometric identities, equations, and functions, as well as the application of numerical methods to trigonometric functions. Participants explore examples and seek clarification on these concepts.

Discussion Character

  • Conceptual clarification
  • Exploratory
  • Homework-related

Main Points Raised

  • One participant asks about the differences between trigonometric identities, equations, and functions, expressing uncertainty about their applications.
  • Another participant explains that identities are universally true for all values of theta, while equations hold true for specific values.
  • A function involving trigonometric ratios is defined as a trigonometric function, with agreement that numerical methods can be applied to these functions.
  • Participants suggest applying numerical methods to specific equations, such as checking values of theta to see when sin(theta) equals cos(theta + 30 degrees).
  • There is a request for examples of numerical methods related to trigonometry, indicating a lack of familiarity with the topic among some participants.

Areas of Agreement / Disagreement

Participants generally agree on the definitions of identities, equations, and functions, but there is no consensus on specific numerical methods applicable to trigonometric functions, as some participants express uncertainty.

Contextual Notes

Some participants express a lack of familiarity with numerical methods associated with trigonometry, indicating potential limitations in their understanding or experience.

Who May Find This Useful

Readers interested in the foundational concepts of trigonometry, numerical methods in mathematics, or those seeking clarification on trigonometric identities and equations may find this discussion useful.

awholenumber
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what is the difference between trigonometric identities , equations and functions ...?

is it possible to apply some numerical method on a trigonometric function ??

i was looking for an example where numerical methods could be applied on a trigonometric function ...

i am not sure what you could achieve with that at this point of time...

also ... is this a trigonometric function ??

f(x) = A sin (kx-wt)

??
 
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Identities like sin^theta + cos^2 theta = 1 are true for all values of theta. Equations like sin theta = cos (theta +x) is true for some value or values of theta only. Any function involving trigonometric ratios of variable can be called trigonometric function. Yes I think numerical methods can be applied here. try to apply it to solve the equation quoted in this post.
 
Let'sthink said:
Identities like sin^theta + cos^2 theta = 1 are true for all values of theta. Equations like sin theta = cos (theta +x) is true for some value or values of theta only. Any function involving trigonometric ratios of variable can be called trigonometric function. .

thanks for that ...

i am not familiar with the numerical methods associated with trigonometry right now ...

could someone tell me few examples of it ??
 
just put different values of theta and take some say x = 30 degree. and check when sin theta = cos(theta+30).
 
thanks for the answers ..

i will surely try when i get some free time ...
 

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