Home/Calculus II/Fundamental identities/Formula6.1. Fundamental identitiesFormulaIn 6.1. Fundamental identitiesFormulaCopy LaTeXsin2x+cos2x=1\sin^2x+\cos^2x=1sin2x+cos2x=1Tagsantiderivativeidentidadintegrals trigonometric identities fundamentaltrigonometricaVariablesxxxVariable independiente (variable de integración)Found an error? Contact us.Related formulasRelatedFormula1+tan2x=sec2x1+\tan^2x=\sec^2x1+tan2x=sec2xOpen formulaOpen in sectionRelatedFormula1+cot2x=csc2x1+\cot^2x=\csc^2x1+cot2x=csc2xOpen formulaOpen in section