CBSE Class 12-science Answered
tan(B+C)+tan(C+A)+tan(A+B)
tan(π-A)+tan(π-B)+tan(π-C)
Asked by Shubhamjoliya786 | 10 Sep, 2018, 11:35: AM
Expert Answer
The angles of a triangle add up to 180. So, A + B + C = 180.
From this, B + C = 180- A, A + C = 180 - B and A + B = 180 - C
Answered by Sneha shidid | 12 Sep, 2018, 06:27: PM
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