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In sin (A+iB)=x+iy show that (x^2)/(sin^...

In sin (A+iB)=x+iy show that `(x^2)/(sin^2A)-(y^2)/(cos^2A)=1` and `(x^2)/(cos h^2B)+(y^2)/(sin h^2B)=1`

Text Solution

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The correct Answer is:
`(x^2)/(cos h^2B)+(y^2)/(sin h^2B)=sin^2A+cos^2A=1`
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