Subjects/Calculus II/Fundamental forms/Formula7.4. Fundamental formsFormulaIn 7.4. Fundamental formsFormulaCopy LaTeX∫a2−x2dx=arcsin(ax)+C,∣x∣<aVariablesCConstant real de integraciónxVariable independiente (variable de integración)aConstant real (a menudo a>0)dxDiferencial respecto de xConditions∣x∣<aRelated formulasRelatedFormuladxdarcsin(ax)=a2−x21,a>0Open formulaOpen in sectionRelatedFormula∫a2+x2dx=a1arctan(ax)+C,a>0Open formulaOpen in sectionRelatedFormula∫xx2−a2dx=a1arcsecax+C,∣x∣>a>0Open formulaOpen in sectionRelatedFormula∫x2+a2dx=lnx+x2+a2+COpen formulaOpen in sectionRelatedFormula∫x2−a2dx=lnx+x2−a2+COpen formulaOpen in section