Question

hello can i get a list of all the formulas of the chapter TRIGONOMETRY...?????
pls I need all of them....

Answer 1

$\textbf{Sujeet yaduvanshi}$

$\textbf{Please go through the revision notes for the very same. There you will find all the Formulae of trigonometry required for your level.}$

Answer 2

umm Please check the attachment

Basic Identities are...

Sin²a + Cos²a=1
1+tan²a=sec²a
1+cot²a= cosec²a...(i think you know this Alredy)

Happy to help...
Regards,
Leukonov.