Subjects/Calculus II/Double-angle and power-reduction identities/Formula6.2. Double-angle and power-reduction identitiesFormulaIn 6.2. Double-angle and power-reduction identitiesFormulaCopy LaTeXsin(2x)=2sinxcosxVariablesxVariable independiente (variable de integración)Related formulasRelatedFormula1+cot2x=csc2xOpen formulaOpen in sectionRelatedFormulasin2x=21−cos(2x)Open formulaOpen in sectionRelatedFormulacos2x=21+cos(2x)Open formulaOpen in sectionRelatedFormulasinxcosx=21sin(2x)Open formulaOpen in section