Need Help in Proving Trig Identities

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Homework Help Overview

The discussion revolves around proving trigonometric identities, specifically two problems involving secant, tangent, cotangent, sine, and cosine functions. The original poster expresses difficulty in solving these problems and seeks assistance.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster mentions having tried to solve the problems but is unsure where to start. Some participants emphasize the need for the poster to share their attempts to facilitate guidance.

Discussion Status

The discussion is ongoing, with participants prompting the original poster to provide their work. There is an indication that the poster has completed other homework but struggles specifically with these two problems.

Contextual Notes

The original poster refers to their knowledge of fundamental identities but does not provide specific details about their attempts or reasoning. There is a mention of a homework posting template that was not followed.

coolshah
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Hi all


Teacher gave me homework that i am having trouble doing it ..

i need help in these two problems which i can't seem to solve.

how can i prove the following :

@= theta

sec@ + tan@ = tan@sec@
cot@ + cos@


and

sin^2@ - tan@= tan^2@
COS^2@ - cot@



my try is in the attach file
 

Attachments

  • work.jpg
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Last edited:
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Well, what have you tried? You must show some work before we can help you. What happened to the homework posting template in which one is supposed to write one's attempts?
 
cristo said:
Well, what have you tried? You must show some work before we can help you. What happened to the homework posting template in which one is supposed to write one's attempts?


Dear,

i have done my other homework problems but except these two. as i stated i can't solve. Due to the fact i don't know where to start. i do know my Fundamental identities.
 
ok here this is what i tried after what u have said
 

Attachments

  • work.jpg
    work.jpg
    34.6 KB · Views: 675
Last edited:

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