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If A=110^(@), then prove that (1+sqrt(1+...

If `A=110^(@)`, then prove that `(1+sqrt(1+tan^(2)2A))/(tan2A)=-tan A`.

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`(1+sqrt(1+tan^(2)2A))/(tan 2A)=(1+|sec2A|)/(tan 2A)`
`=(1-sec2A)/(tan2A)=-((1-cos 2A)/(sin2A))=-tanA`
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