Odd/Even Identities

Odd/Even Identities
Plus/Minus Identities

Trig identities which show whether each trig function is an odd function or an even function.

 

Odd/Even Identities
sin (–x) = –sin x cos (–x) = cos x tan (–x) = –tan x	csc (–x) = –csc x sec (–x) = sec x cot (–x) = –cot x