← Trig Identities Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All CSC 1/SIN SEC 1/COS COT 1/TAN TAN SIN/COS COT COS/SIN SIN^2 + COS^2 = 1 1 + TAN^2 SEC^2 1 + COT^2 CSC^2 SIN= Y COS= X