Even: f(x)= f(x) Symmetric Identities (Even & Odd) Odd:- f(x)= f(x) y=sinx y= cosx AAA AA y = tanx sinx is sin(x)=. y=cscx COSX is cos(x)= y=secx U U W tanx is tan(-x)=. y = cotx CSCX is csd-x)= A A == Verify the following identities. 1. sinxcsc-x)=-1 secx is sed-x)=- cotx is cot(-x)=