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 LaTeXsinxcosx=21sin(2x)VariablesxVariable independiente (variable de integración)Related formulasRelatedFormulacos2x=21+cos(2x)Open formulaOpen in sectionRelatedFormulasinAsinB=21[cos(A−B)−cos(A+B)]Open formulaOpen in sectionRelatedFormulasin2x=21−cos(2x)Open formulaOpen in sectionRelatedFormulasin(2x)=2sinxcosxOpen formulaOpen in section