Let `alphaa n dbeta` be nonzero real numbers such that `2(cosbeta-cosalpha)+cosalphacosbeta=1` . Then which of the following is/are true? `sqrt(3)tan(

Let `alphaa n dbeta` be nonzero real numbers such that `2(cosbeta-cosalpha)+cosalphacosbeta=1` . Then which of the following is/are true? `sqrt(3)tan(
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Let `alphaa n dbeta` be nonzero real numbers such that `2(cosbeta-cosalpha)+cosalphacosbeta=1` . Then which of the ... (alpha)/(2))+tan((beta)/(2))=0`
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