Trignometry Rules/properties/common equations?

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The discussion focuses on various trigonometric rules and properties, highlighting key equations such as cos²θ + sin²θ = 1, 1 + tan²θ = sec²θ, and 1 + cot²θ = csc²θ. Participants share common trigonometric identities and express gratitude for the information provided. There is a light-hearted exchange regarding a signature joke, but the main emphasis remains on the trigonometric equations. The conversation underscores the importance of understanding these fundamental identities in trigonometry. Overall, the thread serves as a resource for those seeking to learn or review trigonometric properties.
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Homework Statement



What are the other Trignometry Rules/properties/common equations?



The Attempt at a Solution



cos2 theta + sin2 theta = 1
1 + tan2 theta = sec2 theta
1 + cot2 theta = csc2 theta
2sin theta = 2cos theta sin theta
 
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Thanks so much...But I'm unsure of what you said about the e-mailing the site admin
 


Master7731 said:
Thanks so much...But I'm unsure of what you said about the e-mailing the site admin

It's my signature, it's just a joke, don't mind it :)
 


Lol gotcha...thanks again
 

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