In ` A B C ,(cot A/2+cotB/2)(asin^2B/2+bsin^2A/2)=``cotC`(b) `ccotC`(c – InterviewSolution

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1.	In ` A B C ,(cot A/2+cotB/2)(asin^2B/2+bsin^2A/2)=``cotC`(b) `ccotC`(c) `cotC/2`(d) `ccotC/2`A. `cot((C)/(2))`B. `ccot((C)/(2))`C. `cotC`D. `ccotC`
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