CBSE Class 11-science Answered
Trig
Asked by prerana1994 | 11 May, 2010, 08:55: AM
Expert Answer
Dear Student
Pls raise only one question in a query
Answer to your i question is as follows:
A+B+C = 
A+B = - C
tan (A+B) = tan ( - C) = cot C
(tan A +tan B)/(1-tan Atan B) = 1/tan C
So, tan A tan B + tan A tan C+tan Btan C = 1
Try other part similarly.
Regards
Team Topperlearning
Answered by | 12 May, 2010, 10:18: AM
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