In a triangle ABC if r/r1=1/2,then value of tan(A/2){tan(B/2)+tan(C/2)} is equals to
Divyanshu , 7 Years ago
Grade 11
Trigonometry> In a triangle ABC if r/r1=1/2,then value ...
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Saurabh Koranglekar
Last Activity: 5 Years ago
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