If 𝒙=𝒄𝒐𝒔𝜽+𝒊𝒔𝒊𝒏𝜽 show that 𝒙^𝒏+ 𝟏/𝒙^𝒏 =𝟐𝐜𝐨𝐬𝐧𝜽 and 𝒙^𝒏− 𝟏/𝒙^𝒏 =𝟐𝐢𝐬𝐢𝐧𝒏𝜽 | De Moivres Theorem Examples

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In this video we proved that If 𝒙=𝒄𝒐𝒔𝜽+𝒊𝒔𝒊𝒏𝜽 show that 𝒙^𝒏+ 𝟏/𝒙^𝒏 =𝟐𝐜𝐨𝐬𝐧𝜽 and 𝒙^𝒏− 𝟏/𝒙^𝒏 =𝟐𝐢𝐬𝐢𝐧𝒏𝜽. This is one of the problem on demoivres theorem.
#PythagorasMath #DeMoivresTheorem #Proof

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