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In an acute triangle ABC ,if tan(A+B-C)=1and sec(B+C-A)=2,then find A,B,C

Posted by Devapriya Bajilal 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Abhay Pandey 6 years, 10 months ago

C 67.5 A45 B 57.5

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CBSE > Class 10 > Mathematics