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how is (cos π/4 – isin π/4) different from { cos(-π/4) + isin(-π/4)}??

how is (cos π/4 – isin π/4) different from { cos(-π/4) + 
isin(-π/4)}??  

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1 Answers

Anish Singhal
askIITians Faculty 1192 Points
5 years ago
Both are same refer to basics of trigonometry cos(-x)=cosx and sin(-x)=-sinx

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