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If sin(A+iB)=x+iy then ((x^2)/(sin^2A)-(...

If sin(A+iB)=x+iy then `((x^2)/(sin^2A)-(y^2)/(cos^2A))+((x^2)/(cosh^2B)+(y^2)/(sinh^2B))=`

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1

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3

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AAKASH SERIES-DEMOIVRE'S THEOREM-PRACTICE EXERCISE
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  7. If z=(sqrt3-i)/(2) then (i^(101)+z^(101))^(103)=

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