Basic Trig Identities
By L Camarota
In each question, choose the expression that represents the correct simplified form of each original relationship.
sin x cot x = ?
cot x / cos x = ?
csc x sin x = ?
cos x tan x = ?
sin4 x + sin2 x cos2 = ?
1 / (1-cos² x) = ?
cos x sin x / tan x = ?
sin² x / (1-sin² x) = ?