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cos^4x = 3/8 + 1/2 cos2x + 1/8 cos4x double Angle Application
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Formula derived for cos4x
#compoundangle #compoundangleidentities #ProductSum #Edexcel_Trigonometry #MHF4U_Trigonometry #GMI #AnilKumar #IBSLMath_Trigonometry #APMath_Trigonometry
#compoundangle #compoundangleidentities #ProductSum #Edexcel_Trigonometry #MHF4U_Trigonometry #GMI #AnilKumar #IBSLMath_Trigonometry #APMath_Trigonometry
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cos^4x = 3/8 + 1/2 cos2x + 1/8 cos4x double Angle Application
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