Asked by prerana1994 | 11th 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.


Team Topperlearning

Answered by  | 12th May, 2010, 10:18: AM

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