01_Verify_Trig CHAPTER5 ANALYTICTRIGONOMETRY VerifyingTrigonometricIdentities WhatisanIdentity?Anidentityisastatementinwhich2expressionsareequalforeveryvalueofthevariable.Examples:xx2xLHSRHS Theleft-handexpressionalwaysequalstheright-handexpression,nomatterwhatxequals.Anidentityisunconditional.AnIdentityis...