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Trigonometric Identity (1 - cos2x + sin2x)/(1 + cos2x + sin2x) = tanx
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#Graph2StepMethodTrigonometricFunctions #EquivalentTrigonometricExpressions #MHF4U_Trigonometry_Unit_6, #AdvancedFunctions #TrigonometryCompoundAngle #TrigonometryDoubleAngle #TrigonometryHalfAngle #TrigonometricEquations #mhf4utrigonometry #CofunctionIdentity #relatedAcuteAngle
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