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[Video Solution] In a ΔABC, if \tan ^2A/2+\tan ^2B/2+\tan ^2C/2=k , then k is always | ASPIRE STUDY

In a ΔABC, if \tan ^2A/2+\tan ^2B/2+\tan ^2C/2=k , then k is always | Watch the step-by-step video solution for this NIMCET PYQ.

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